CINXE.COM

Theodore Lyman IV - Wikipedia

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>Theodore Lyman IV - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"7ed2d734-c3c7-41bd-8cc3-5c56a7afe3b3","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Theodore_Lyman_IV","wgTitle":"Theodore Lyman IV","wgCurRevisionId":1236435125,"wgRevisionId":1236435125,"wgArticleId":756466,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description matches Wikidata","Articles with hCards","No local image but image on Wikidata","CS1 errors: missing title","Wikipedia articles incorporating a citation from the New International Encyclopedia","Wikipedia articles incorporating text via vb from the New International Encyclopedia","Cite NIE template missing title parameter","Wikipedia articles incorporating text from the New International Encyclopedia","1874 births", "1954 deaths","United States Army officers","American military personnel of World War I","Military personnel from Massachusetts","Harvard University faculty","Harvard University alumni","Scientists from Boston","American optical physicists","Spectroscopists","Hollis Chair of Mathematics and Natural Philosophy","Members of the United States National Academy of Sciences","Presidents of the American Physical Society","Physicists from Massachusetts","Members of the American Philosophical Society"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Theodore_Lyman_IV","wgRelevantArticleId":756466,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{ "pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":5000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q970745","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading", "ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints", "ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=en&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Theodore Lyman IV - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/Theodore_Lyman_IV"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/Theodore_Lyman_IV"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&amp;feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Theodore_Lyman_IV rootpage-Theodore_Lyman_IV skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page&#039;s font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_en.wikipedia.org&amp;uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&amp;returnto=Theodore+Lyman+IV" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&amp;returnto=Theodore+Lyman+IV" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_en.wikipedia.org&amp;uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&amp;returnto=Theodore+Lyman+IV" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&amp;returnto=Theodore+Lyman+IV" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Career" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Career"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Career</span> </div> </a> <ul id="toc-Career-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Military_service" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Military_service"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Military service</span> </div> </a> <ul id="toc-Military_service-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Legacy/honors" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Legacy/honors"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Legacy/honors</span> </div> </a> <ul id="toc-Legacy/honors-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Affiliations" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Affiliations"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Affiliations</span> </div> </a> <ul id="toc-Affiliations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Theodore Lyman IV</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 22 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-22" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">22 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AB%D9%8A%D9%88%D8%AF%D9%88%D8%B1_%D9%84%D8%A7%D9%8A%D9%85%D8%A7%D9%86" title="ثيودور لايمان – Arabic" lang="ar" hreflang="ar" data-title="ثيودور لايمان" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%AA%D8%A6%D9%88%D8%AF%D9%88%D8%B1_%D9%84%DB%8C%D9%85%D8%A7%D9%86" title="تئودور لیمان – South Azerbaijani" lang="azb" hreflang="azb" data-title="تئودور لیمان" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A5%E0%A6%BF%E0%A6%93%E0%A6%A1%E0%A7%8B%E0%A6%B0_%E0%A6%B2%E0%A6%BE%E0%A6%87%E0%A6%AE%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%A8" title="থিওডোর লাইম্যান – Bangla" lang="bn" hreflang="bn" data-title="থিওডোর লাইম্যান" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Theodore_Lyman_(Physiker)" title="Theodore Lyman (Physiker) – German" lang="de" hreflang="de" data-title="Theodore Lyman (Physiker)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Spanish" lang="es" hreflang="es" data-title="Theodore Lyman" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%A6%D9%88%D8%AF%D9%88%D8%B1_%D9%84%DB%8C%D9%85%D8%A7%D9%86" title="تئودور لیمان – Persian" lang="fa" hreflang="fa" data-title="تئودور لیمان" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – French" lang="fr" hreflang="fr" data-title="Theodore Lyman" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%8B%9C%EC%96%B4%EB%8F%84%EC%96%B4_%EB%9D%BC%EC%9D%B4%EB%A8%BC" title="시어도어 라이먼 – Korean" lang="ko" hreflang="ko" data-title="시어도어 라이먼" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Italian" lang="it" hreflang="it" data-title="Theodore Lyman" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Luxembourgish" lang="lb" hreflang="lb" data-title="Theodore Lyman" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AB%D9%8A%D9%88%D8%AF%D9%88%D8%B1_%D9%84%D9%8A%D9%85%D8%A7%D9%86_%D8%A7%D9%84%D8%B1%D8%A7%D8%A8%D8%B9" title="ثيودور ليمان الرابع – Egyptian Arabic" lang="arz" hreflang="arz" data-title="ثيودور ليمان الرابع" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%BB%E3%82%AA%E3%83%89%E3%82%A2%E3%83%BB%E3%83%A9%E3%82%A4%E3%83%9E%E3%83%B3" title="セオドア・ライマン – Japanese" lang="ja" hreflang="ja" data-title="セオドア・ライマン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Polish" lang="pl" hreflang="pl" data-title="Theodore Lyman" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Portuguese" lang="pt" hreflang="pt" data-title="Theodore Lyman" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9B%D0%B0%D0%B9%D0%BC%D0%B0%D0%BD,_%D0%A2%D0%B5%D0%BE%D0%B4%D0%BE%D1%80" title="Лайман, Теодор – Russian" lang="ru" hreflang="ru" data-title="Лайман, Теодор" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Slovenian" lang="sl" hreflang="sl" data-title="Theodore Lyman" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Theodore_Lyman_(fysiker)" title="Theodore Lyman (fysiker) – Swedish" lang="sv" hreflang="sv" data-title="Theodore Lyman (fysiker)" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Tagalog" lang="tl" hreflang="tl" data-title="Theodore Lyman" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Turkish" lang="tr" hreflang="tr" data-title="Theodore Lyman" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A2%D0%B5%D0%BE%D0%B4%D0%BE%D1%80_%D0%9B%D0%B0%D0%B9%D0%BC%D0%B0%D0%BD" title="Теодор Лайман – Ukrainian" lang="uk" hreflang="uk" data-title="Теодор Лайман" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Theodore_Lyman" title="Theodore Lyman – Vietnamese" lang="vi" hreflang="vi" data-title="Theodore Lyman" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%A5%BF%E5%A5%A5%E5%A4%9A%C2%B7%E8%8E%B1%E6%9B%BC" title="西奥多·莱曼 – Chinese" lang="zh" hreflang="zh" data-title="西奥多·莱曼" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q970745#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Theodore_Lyman_IV" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:Theodore_Lyman_IV" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Theodore_Lyman_IV"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Theodore_Lyman_IV"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Theodore_Lyman_IV" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Theodore_Lyman_IV" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;oldid=1236435125" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&amp;page=Theodore_Lyman_IV&amp;id=1236435125&amp;wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FTheodore_Lyman_IV"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FTheodore_Lyman_IV"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&amp;page=Theodore_Lyman_IV&amp;action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Theodore_Lyman_IV&amp;printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Theodore_Lyman_(physicist)" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q970745" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">American physicist (1874–1954)</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Theodore Lyman</div></th></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><span style="display:none">(<span class="bday">1874-11-23</span>)</span>November 23, 1874<br /><div style="display:inline" class="birthplace"><a href="/wiki/Boston,_Massachusetts" class="mw-redirect" title="Boston, Massachusetts">Boston, Massachusetts</a></div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">October 11, 1954<span style="display:none">(1954-10-11)</span> (aged&#160;79)<br /><div style="display:inline" class="deathplace"><a href="/wiki/Cambridge,_Massachusetts" title="Cambridge, Massachusetts">Cambridge, Massachusetts</a></div></td></tr><tr><th scope="row" class="infobox-label">Alma&#160;mater</th><td class="infobox-data"><a href="/wiki/Harvard_University" title="Harvard University">Harvard University</a></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data"><a href="/wiki/Elliott_Cresson_Medal" title="Elliott Cresson Medal">Elliott Cresson Medal</a> (1931)</td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="/wiki/Spectroscopy" title="Spectroscopy">Spectroscopy</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Theodore Lyman IV</b> (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="&#39;l&#39; in &#39;lie&#39;">l</span><span title="/aɪ/: &#39;i&#39; in &#39;tide&#39;">aɪ</span><span title="&#39;m&#39; in &#39;my&#39;">m</span><span title="/ən/: &#39;on&#39; in &#39;button&#39;">ən</span></span>/</a></span></span>; November 23, 1874 – October 11, 1954) was an <a href="/wiki/America" class="mw-redirect" title="America">American</a> <a href="/wiki/Physicist" title="Physicist">physicist</a> and <a href="/wiki/Spectroscopist" class="mw-redirect" title="Spectroscopist">spectroscopist</a>, born in <a href="/wiki/Boston,_Massachusetts" class="mw-redirect" title="Boston, Massachusetts">Boston</a>. He graduated from <a href="/wiki/Harvard_University" title="Harvard University">Harvard</a> in 1897, from which he also received his <a href="/wiki/Doctor_of_Philosophy" title="Doctor of Philosophy">Ph.D.</a> in 1900. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Career">Career</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit&amp;section=1" title="Edit section: Career"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Lyman became an assistant professor in <a href="/wiki/Physics" title="Physics">physics</a> at Harvard, where he remained, becoming full <a href="/wiki/Professor" title="Professor">professor</a> in 1917, and where he was also director of the Jefferson Physical Laboratory (1908–17). He made important studies in phenomena connected with <a href="/wiki/Diffraction_grating" title="Diffraction grating">diffraction gratings</a>, on the <a href="/wiki/Wavelength" title="Wavelength">wavelengths</a> of vacuum <a href="/wiki/Ultraviolet" title="Ultraviolet">ultraviolet light</a> discovered by <a href="/wiki/Victor_Schumann" title="Victor Schumann">Victor Schumann</a> and also on the properties of light of extremely short <a href="/wiki/Wavelength" title="Wavelength">wavelength</a>, on all of which he contributed valuable papers to the literature of <a href="/wiki/Physics" title="Physics">physics</a> in the proceedings of scientific societies. </p> <div class="mw-heading mw-heading2"><h2 id="Military_service">Military service</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit&amp;section=2" title="Edit section: Military service"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>During <a href="/wiki/World_War_I" title="World War I">World War I</a> he served in <a href="/wiki/France" title="France">France</a> with the <a href="/wiki/American_Expeditionary_Force" class="mw-redirect" title="American Expeditionary Force">American Expeditionary Force</a>, holding the rank of major of engineers. </p> <div class="mw-heading mw-heading2"><h2 id="Legacy/honors"><span id="Legacy.2Fhonors"></span>Legacy/honors</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit&amp;section=3" title="Edit section: Legacy/honors"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>He was the <a href="/wiki/Eponym" title="Eponym">eponym</a> of the <a href="/wiki/Lyman_series" title="Lyman series">Lyman series</a> of <a href="/wiki/Spectral_lines" class="mw-redirect" title="Spectral lines">spectral lines</a>.</li> <li>The crater <a href="/wiki/Lyman_(crater)" title="Lyman (crater)">Lyman</a> on the far side of the <a href="/wiki/Moon" title="Moon">Moon</a> is named after him.</li> <li>He was elected to the <a href="/wiki/American_Academy_of_Arts_and_Sciences" title="American Academy of Arts and Sciences">American Academy of Arts and Sciences</a> in 1901.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></li> <li>He was elected to the United States <a href="/wiki/National_Academy_of_Sciences" title="National Academy of Sciences">National Academy of Sciences</a> in 1917.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup></li> <li>He was elected to the <a href="/wiki/American_Philosophical_Society" title="American Philosophical Society">American Philosophical Society</a> in 1918.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup></li> <li>He was awarded the <a href="/wiki/Franklin_Institute" title="Franklin Institute">Franklin Institute</a>'s <a href="/wiki/Elliott_Cresson_Medal" title="Elliott Cresson Medal">Elliott Cresson Medal</a> and the <a href="/wiki/Frederic_Ives_Medal" title="Frederic Ives Medal">Frederic Ives Medal</a> in 1931.</li> <li>The Optical Society elected him an Honorary Member in 1941.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></li> <li>The <a href="/wiki/Lyman_Laboratory_of_Physics" title="Lyman Laboratory of Physics">Lyman Laboratory of Physics</a> at Harvard University is named after him.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Affiliations">Affiliations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit&amp;section=4" title="Edit section: Affiliations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>He became a hereditary member of the <a href="/wiki/Military_Order_of_the_Loyal_Legion_of_the_United_States" title="Military Order of the Loyal Legion of the United States">Military Order of the Loyal Legion of the United States</a> in succession to his father, Lieutenant Colonel <a href="/wiki/Theodore_Lyman_(Massachusetts)" class="mw-redirect" title="Theodore Lyman (Massachusetts)">Theodore Lyman III</a>. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit&amp;section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.amacad.org/person/theodore-lyman-0">"Theodore Lyman"</a>. <i>American Academy of Arts &amp; Sciences</i>. 2023-02-09<span class="reference-accessdate">. Retrieved <span class="nowrap">2023-10-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=American+Academy+of+Arts+%26+Sciences&amp;rft.atitle=Theodore+Lyman&amp;rft.date=2023-02-09&amp;rft_id=https%3A%2F%2Fwww.amacad.org%2Fperson%2Ftheodore-lyman-0&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ATheodore+Lyman+IV" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.nasonline.org/member-directory/deceased-members/20001635.html">"Theodor T. Lyman"</a>. <i>www.nasonline.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2023-10-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=www.nasonline.org&amp;rft.atitle=Theodor+T.+Lyman&amp;rft_id=https%3A%2F%2Fwww.nasonline.org%2Fmember-directory%2Fdeceased-members%2F20001635.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ATheodore+Lyman+IV" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://search.amphilsoc.org/memhist/search?creator=Theodore+Lyman&amp;title=&amp;subject=&amp;subdiv=&amp;mem=&amp;year=&amp;year-max=&amp;dead=&amp;keyword=&amp;smode=advanced">"APS Member History"</a>. <i>search.amphilsoc.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2023-10-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=search.amphilsoc.org&amp;rft.atitle=APS+Member+History&amp;rft_id=https%3A%2F%2Fsearch.amphilsoc.org%2Fmemhist%2Fsearch%3Fcreator%3DTheodore%2BLyman%26title%3D%26subject%3D%26subdiv%3D%26mem%3D%26year%3D%26year-max%3D%26dead%3D%26keyword%3D%26smode%3Dadvanced&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ATheodore+Lyman+IV" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.optica.org/History/Biographies/bios/Theodore-Lyman">"Theodore Lyman | Optica"</a>. <i>www.optica.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2024-07-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=www.optica.org&amp;rft.atitle=Theodore+Lyman+%7C+Optica&amp;rft_id=https%3A%2F%2Fwww.optica.org%2FHistory%2FBiographies%2Fbios%2FTheodore-Lyman&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ATheodore+Lyman+IV" class="Z3988"></span></span> </li> </ol></div></div> <ul><li>This article incorporates text from a publication now in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>:&#160;<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGilmanPeckColby1905" class="citation encyclopaedia cs1"><a href="/wiki/Daniel_Coit_Gilman" title="Daniel Coit Gilman">Gilman, D. C.</a>; Peck, H. T.; Colby, F. M., eds. (1905). <i><a href="/wiki/New_International_Encyclopedia" class="mw-redirect" title="New International Encyclopedia">New International Encyclopedia</a></i> (1st&#160;ed.). New York: Dodd, Mead.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.place=New+York&amp;rft.edition=1st&amp;rft.pub=Dodd%2C+Mead&amp;rft.date=1905&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ATheodore+Lyman+IV" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_encyclopedia" title="Template:Cite encyclopedia">cite encyclopedia</a>}}</code>: </span><span class="cs1-visible-error citation-comment">Missing or empty <code class="cs1-code">&#124;title=</code> (<a href="/wiki/Help:CS1_errors#citation_missing_title" title="Help:CS1 errors">help</a>)</span></li> <li><a rel="nofollow" class="external text" href="https://planetarynames.wr.usgs.gov/jsp/FeatureNameDetail.jsp?feature=63703">USGS Gazetteer of Planetary Nomenclature Feature Information</a></li> <li>1931 <a rel="nofollow" class="external text" href="https://www.optica.org/get_involved/awards_and_honors/awards/award_descriptions/ivesquinn/">Frederic Ives Medal</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Theodore_Lyman_IV&amp;action=edit&amp;section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.nasonline.org/publications/biographical-memoirs/memoir-pdfs/lyman-theodore-t-1.pdf">National Academy of Sciences Biographical Memoir</a></li></ul> <table class="wikitable succession-box noprint" style="margin:0.5em auto; font-size:small;clear:both;"> <tbody><tr> <th colspan="3" style="border-top: 5px solid #DAA520;">Academic offices </th></tr> <tr style="text-align:center;"> <td style="width:30%;" rowspan="1">Preceded&#160;by<div style="font-weight: bold"><a href="/wiki/Wallace_Clement_Sabine" title="Wallace Clement Sabine">Wallace Clement Sabine</a></div> </td> <td style="width: 40%; text-align: center;" rowspan="1"><b> <a href="/wiki/Hollis_Chair_of_Mathematics_and_Natural_Philosophy" class="mw-redirect" title="Hollis Chair of Mathematics and Natural Philosophy">Hollis Chair of Mathematics and Natural Philosophy</a> </b><br />1921–1926 </td> <td style="width: 30%; text-align: center;" rowspan="1">Succeeded&#160;by<div style="font-weight: bold"><a href="/wiki/Percy_Williams_Bridgman" title="Percy Williams Bridgman">Percy Williams Bridgman</a></div> </td></tr> </tbody></table> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Presidents_of_the_American_Physical_Society" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Presidents_of_the_American_Physical_Society" title="Template:Presidents of the American Physical Society"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Presidents_of_the_American_Physical_Society" title="Template talk:Presidents of the American Physical Society"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Presidents_of_the_American_Physical_Society" title="Special:EditPage/Template:Presidents of the American Physical Society"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Presidents_of_the_American_Physical_Society" style="font-size:114%;margin:0 4em"><a href="/wiki/American_Physical_Society" title="American Physical Society">Presidents of the American Physical Society</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">1899–1925</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Henry_Augustus_Rowland" title="Henry Augustus Rowland">Henry Augustus Rowland</a> (1899)</li> <li><a href="/wiki/Albert_A._Michelson" title="Albert A. Michelson">Albert A. Michelson</a> (1901)</li> <li><a href="/wiki/Arthur_Gordon_Webster" title="Arthur Gordon Webster">Arthur Gordon Webster</a> (1903)</li> <li><a href="/wiki/Carl_Barus" title="Carl Barus">Carl Barus</a> (1905)</li> <li><a href="/wiki/Edward_Leamington_Nichols" title="Edward Leamington Nichols">Edward Leamington Nichols</a> (1907)</li> <li><a href="/wiki/Henry_Crew" title="Henry Crew">Henry Crew</a> (1909)</li> <li><a href="/wiki/William_Francis_Magie" title="William Francis Magie">William Francis Magie</a> (1911)</li> <li><a href="/wiki/Benjamin_Osgood_Peirce" title="Benjamin Osgood Peirce">Benjamin Osgood Peirce</a> (1913)</li> <li><a href="/wiki/Ernest_Merritt" title="Ernest Merritt">Ernest Merritt</a> (1914)</li> <li><a href="/wiki/Robert_Andrews_Millikan" title="Robert Andrews Millikan">Robert Andrews Millikan</a> (1916)</li> <li><a href="/wiki/Henry_A._Bumstead" title="Henry A. Bumstead">Henry A. Bumstead</a> (1918)</li> <li><a href="/wiki/Joseph_Sweetman_Ames" title="Joseph Sweetman Ames">Joseph Sweetman Ames</a> (1919)</li> <li><a class="mw-selflink selflink">Theodore Lyman</a> (1921)</li> <li><a href="/wiki/Thomas_Corwin_Mendenhall" title="Thomas Corwin Mendenhall">Thomas Corwin Mendenhall</a> (1923)</li> <li><a href="/wiki/Dayton_Miller" title="Dayton Miller">Dayton Miller</a> (1925)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">1926–1950</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Karl_Taylor_Compton" title="Karl Taylor Compton">Karl Taylor Compton</a> (1927)</li> <li><a href="/wiki/Henry_Gale_(astrophysicist)" title="Henry Gale (astrophysicist)">Henry Gale</a> (1929)</li> <li><a href="/wiki/William_Francis_Gray_Swann" title="William Francis Gray Swann">William Francis Gray Swann</a> (1931)</li> <li><a href="/wiki/Paul_D._Foote" title="Paul D. Foote">Paul D. Foote</a> (1933)</li> <li><a href="/wiki/Arthur_Compton" title="Arthur Compton">Arthur Compton</a> (1934)</li> <li><a href="/wiki/Robert_W._Wood" title="Robert W. Wood">Robert W. Wood</a> (1935)</li> <li><a href="/wiki/Floyd_K._Richtmyer" title="Floyd K. Richtmyer">Floyd K. Richtmyer</a> (1936)</li> <li><a href="/wiki/Harrison_M._Randall" title="Harrison M. Randall">Harrison M. Randall</a> (1937)</li> <li><a href="/wiki/Lyman_James_Briggs" title="Lyman James Briggs">Lyman James Briggs</a> (1938)</li> <li><a href="/wiki/John_Torrence_Tate_Sr." title="John Torrence Tate Sr.">John Torrence Tate Sr.</a> (1939)</li> <li><a href="/wiki/John_Zeleny" title="John Zeleny">John Zeleny</a> (1940)</li> <li><a href="/wiki/George_B._Pegram" title="George B. Pegram">George B. Pegram</a> (1941)</li> <li><a href="/wiki/George_W._Stewart" title="George W. Stewart">George Stewart</a> (1941)</li> <li><a href="/wiki/Percy_Williams_Bridgman" title="Percy Williams Bridgman">Percy Williams Bridgman</a> (1942)</li> <li><a href="/wiki/Albert_W._Hull" title="Albert W. Hull">Albert W. Hull</a> (1943)</li> <li><a href="/wiki/Arthur_Jeffrey_Dempster" title="Arthur Jeffrey Dempster">Arthur Jeffrey Dempster</a> (1944)</li> <li><a href="/wiki/Harvey_Fletcher" title="Harvey Fletcher">Harvey Fletcher</a> (1945)</li> <li><a href="/wiki/Edward_Condon" title="Edward Condon">Edward Condon</a> (1946)</li> <li><a href="/wiki/Lee_Alvin_DuBridge" title="Lee Alvin DuBridge">Lee Alvin DuBridge</a> (1947)</li> <li><a href="/wiki/J._Robert_Oppenheimer" title="J. Robert Oppenheimer">J. Robert Oppenheimer</a> (1948)</li> <li><a href="/wiki/Francis_Wheeler_Loomis" title="Francis Wheeler Loomis">Francis Wheeler Loomis</a> (1949)</li> <li><a href="/wiki/Isidor_Isaac_Rabi" title="Isidor Isaac Rabi">Isidor Isaac Rabi</a> (1950)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">1951–1975</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Charles_Christian_Lauritsen" class="mw-redirect" title="Charles Christian Lauritsen">Charles Christian Lauritsen</a> (1951)</li> <li><a href="/wiki/John_Hasbrouck_Van_Vleck" title="John Hasbrouck Van Vleck">John Hasbrouck Van Vleck</a> (1952)</li> <li><a href="/wiki/Enrico_Fermi" title="Enrico Fermi">Enrico Fermi</a> (1953)</li> <li><a href="/wiki/Hans_Bethe" title="Hans Bethe">H. Bethe</a> (1954)</li> <li><a href="/wiki/Raymond_Thayer_Birge" title="Raymond Thayer Birge">Raymond Thayer Birge</a> (1955)</li> <li><a href="/wiki/Eugene_Wigner" title="Eugene Wigner">E. Wigner</a> (1956)</li> <li><a href="/wiki/Henry_DeWolf_Smyth" title="Henry DeWolf Smyth">Henry DeWolf Smyth</a> (1957)</li> <li><a href="/wiki/Jesse_Beams" title="Jesse Beams">Jesse Beams</a> (1958)</li> <li><a href="/wiki/George_Uhlenbeck" title="George Uhlenbeck">George Uhlenbeck</a> (1959)</li> <li><a href="/wiki/Victor_Weisskopf" title="Victor Weisskopf">Victor Weisskopf</a> (1960)</li> <li><a href="/wiki/Frederick_Seitz" title="Frederick Seitz">Frederick Seitz</a> (1961)</li> <li><a href="/wiki/William_V._Houston" title="William V. Houston">William V. Houston</a> (1962)</li> <li><a href="/wiki/John_Harry_Williams" title="John Harry Williams">John Harry Williams</a> (1963)</li> <li><a href="/wiki/Robert_Bacher" title="Robert Bacher">Robert Bacher</a> (1964)</li> <li><a href="/wiki/Felix_Bloch" title="Felix Bloch">Felix Bloch</a> (1965)</li> <li><a href="/wiki/John_Archibald_Wheeler" title="John Archibald Wheeler">John Archibald Wheeler</a> (1966)</li> <li><a href="/wiki/Charles_H._Townes" title="Charles H. Townes">Charles H. Townes</a> (1967)</li> <li><a href="/wiki/John_Bardeen" title="John Bardeen">John Bardeen</a> (1968)</li> <li><a href="/wiki/Luis_Walter_Alvarez" title="Luis Walter Alvarez">Luis Walter Alvarez</a> (1969)</li> <li><a href="/wiki/Edward_Mills_Purcell" title="Edward Mills Purcell">Edward Mills Purcell</a> (1970)</li> <li><a href="/wiki/Robert_Serber" title="Robert Serber">Robert Serber</a> (1971)</li> <li><a href="/wiki/Philip_M._Morse" title="Philip M. Morse">Philip M. Morse</a> (1972)</li> <li><a href="/wiki/Joseph_Edward_Mayer" title="Joseph Edward Mayer">Joseph Edward Mayer</a> (1973)</li> <li><a href="/wiki/Pief_Panofsky" title="Pief Panofsky">Pief Panofsky</a> (1974)</li> <li><a href="/wiki/Chien-Shiung_Wu" title="Chien-Shiung Wu">Chien-Shiung Wu</a> (1975)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">1976–2000</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/William_Alfred_Fowler" title="William Alfred Fowler">William A. Fowler</a> (1976)</li> <li><a href="/wiki/George_Pake" title="George Pake">George Pake</a> (1977)</li> <li><a href="/wiki/Norman_Foster_Ramsey_Jr." class="mw-redirect" title="Norman Foster Ramsey Jr.">Norman Foster Ramsey Jr.</a> (1978)</li> <li><a href="/wiki/Lewis_M._Branscomb" title="Lewis M. Branscomb">Lewis M. Branscomb</a> (1979)</li> <li><a href="/wiki/Herman_Feshbach" title="Herman Feshbach">Herman Feshbach</a> (1980)</li> <li><a href="/wiki/Arthur_Leonard_Schawlow" title="Arthur Leonard Schawlow">Arthur Leonard Schawlow</a> (1981)</li> <li><a href="/wiki/Maurice_Goldhaber" title="Maurice Goldhaber">Maurice Goldhaber</a> (1982)</li> <li><a href="/wiki/Robert_Marshak" title="Robert Marshak">Robert Marshak</a> (1983)</li> <li><a href="/wiki/Mildred_Dresselhaus" title="Mildred Dresselhaus">Mildred Dresselhaus</a> (1984)</li> <li><a href="/wiki/Robert_R._Wilson" title="Robert R. Wilson">Robert R. Wilson</a> (1985)</li> <li><a href="/wiki/Sidney_Drell" title="Sidney Drell">Sidney Drell</a> (1986)</li> <li><a href="/wiki/Val_Logsdon_Fitch" title="Val Logsdon Fitch">Val Logsdon Fitch</a> (1987)</li> <li><a href="/wiki/James_A._Krumhansl" title="James A. Krumhansl">James A. Krumhansl</a> (1989)</li> <li><a href="/wiki/Eugen_Merzbacher" title="Eugen Merzbacher">Eugen Merzbacher</a> (1990)</li> <li><a href="/wiki/Nicolaas_Bloembergen" title="Nicolaas Bloembergen">Nicolaas Bloembergen</a> (1991)</li> <li><a href="/wiki/Ernest_M._Henley" title="Ernest M. Henley">Ernest M. Henley</a> (1992)</li> <li><a href="/wiki/Donald_N._Langenberg" title="Donald N. Langenberg">Donald N. Langenberg</a> (1993)</li> <li><a href="/wiki/Burton_Richter" title="Burton Richter">Burton Richter</a> (1994)</li> <li><a href="/wiki/C._Kumar_N._Patel" title="C. Kumar N. Patel">C. Kumar Patel</a> (1995)</li> <li><a href="/wiki/John_Robert_Schrieffer" title="John Robert Schrieffer">J.R. Schrieffer</a> (1996)</li> <li><a href="/wiki/D._Allan_Bromley" title="D. Allan Bromley">D. Allan Bromley</a> (1997)</li> <li><a href="/wiki/Andrew_Sessler" title="Andrew Sessler">Andrew Sessler</a> (1998)</li> <li><a href="/wiki/Jerome_Isaac_Friedman" title="Jerome Isaac Friedman">Jerome Isaac Friedman</a> (1999)</li> <li><a href="/wiki/James_S._Langer" title="James S. Langer">James S. Langer</a> (2000)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">2001–</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/George_Trilling" title="George Trilling">George Trilling</a> (2001)</li> <li><a href="/wiki/William_F._Brinkman" title="William F. Brinkman">William F. Brinkman</a> (2002)</li> <li><a href="/wiki/Myriam_Sarachik" title="Myriam Sarachik">Myriam Sarachik</a> (2003)</li> <li><a href="/wiki/Helen_Quinn" title="Helen Quinn">Helen Quinn</a> (2004)</li> <li><a href="/wiki/Marvin_L._Cohen" title="Marvin L. Cohen">Marvin L. Cohen</a> (2005)</li> <li><a href="/wiki/John_Hopfield" title="John Hopfield">John Hopfield</a> (2006)</li> <li><a href="/wiki/Leo_Kadanoff" title="Leo Kadanoff">Leo Kadanoff</a> (2007)</li> <li><a href="/wiki/Arthur_Bienenstock" title="Arthur Bienenstock">Arthur Bienenstock</a> (2008)</li> <li><a href="/wiki/Cherry_A._Murray" title="Cherry A. Murray">Cherry A. Murray</a> (2009)</li> <li><a href="/wiki/Curtis_Callan" title="Curtis Callan">Curtis Callan</a> (2010)</li> <li><a href="/wiki/Barry_Barish" title="Barry Barish">Barry Barish</a> (2011)</li> <li><a href="/wiki/Robert_L._Byer" title="Robert L. Byer">Robert L. Byer</a> (2012)</li> <li><a href="/wiki/Michael_S._Turner" title="Michael S. Turner">Michael S. Turner</a> (2013)</li> <li><a href="/wiki/Malcolm_Beasley" title="Malcolm Beasley">Malcolm R. Beasley</a> (2014)</li> <li><a href="/wiki/Sam_Aronson" title="Sam Aronson">Sam Aronson</a> (2015)</li> <li><a href="/wiki/Homer_Neal" title="Homer Neal">Homer Neal</a> (2016)</li> <li><a href="/wiki/Laura_Greene_(physicist)" title="Laura Greene (physicist)">Laura Greene</a> (2017)</li> <li><a href="/wiki/Roger_Falcone" title="Roger Falcone">Roger Falcone</a> (2018)</li> <li><a href="/wiki/David_Gross" title="David Gross">David Gross</a> (2019)</li> <li><a href="/wiki/Philip_H._Bucksbaum" title="Philip H. Bucksbaum">Philip H. Bucksbaum</a> (2020)</li> <li><a href="/wiki/Sylvester_James_Gates" title="Sylvester James Gates">Sylvester James Gates Jr.</a> (2021)</li> <li><a href="/wiki/Frances_Hellman" title="Frances Hellman">Frances Hellman</a> (2022)</li> <li><a href="/wiki/Robert_Rosner" title="Robert Rosner">Robert Rosner</a> (2023)</li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Hollis_Chair_of_Mathematicks_and_Natural_Philosophy" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Hollisian_Professors_of_Mathematics" title="Template:Hollisian Professors of Mathematics"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Hollisian_Professors_of_Mathematics" title="Template talk:Hollisian Professors of Mathematics"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Hollisian_Professors_of_Mathematics" title="Special:EditPage/Template:Hollisian Professors of Mathematics"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Hollis_Chair_of_Mathematicks_and_Natural_Philosophy" style="font-size:114%;margin:0 4em"><a href="/wiki/Hollis_Chair_of_Mathematicks_and_Natural_Philosophy" title="Hollis Chair of Mathematicks and Natural Philosophy">Hollis Chair of Mathematicks and Natural Philosophy</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Isaac_Greenwood" title="Isaac Greenwood">Isaac Greenwood</a> <small>(1727)</small></li> <li><a href="/wiki/John_Winthrop_(educator)" title="John Winthrop (educator)">John Winthrop</a> <small>(1737)</small></li> <li><a href="/w/index.php?title=Samuel_Williams_(Harvard)&amp;action=edit&amp;redlink=1" class="new" title="Samuel Williams (Harvard) (page does not exist)">Samuel Williams</a> <small>(1779)</small></li> <li><a href="/wiki/Samuel_Webber" title="Samuel Webber">Samuel Webber</a> <small>(1789)</small></li> <li><a href="/wiki/John_Farrar_(scientist)" title="John Farrar (scientist)">John Farrar</a> <small>(1807)</small></li> <li><a href="/wiki/Joseph_Lovering" title="Joseph Lovering">Joseph Lovering</a> <small>(1838)</small></li> <li><a href="/wiki/Benjamin_Osgood_Peirce" title="Benjamin Osgood Peirce">Benjamin Osgood Peirce</a> <small>(1888)</small></li> <li><a href="/wiki/Wallace_Clement_Sabine" title="Wallace Clement Sabine">Wallace Clement Sabine</a> <small>(1914)</small></li> <li>Vacant <small>(1919-1921)</small></li> <li><a class="mw-selflink selflink">Theodore Lyman</a> <small>(1921)</small></li> <li><a href="/wiki/Percy_Williams_Bridgman" title="Percy Williams Bridgman">Percy Williams Bridgman</a> <small>(1926)</small></li> <li><a href="/wiki/John_Hasbrouck_Van_Vleck" title="John Hasbrouck Van Vleck">John Hasbrouck Van Vleck</a> <small>(1951)</small></li> <li><a href="/wiki/Andrew_M._Gleason" title="Andrew M. Gleason">Andrew Gleason</a> <small>(1969)</small></li> <li><a href="/wiki/Bertrand_Halperin" title="Bertrand Halperin">Bertrand Halperin</a> <small>(1992)</small></li> <li><a href="/wiki/Cumrun_Vafa" title="Cumrun Vafa">Cumrun Vafa</a> <small>(2018)</small></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&amp;#124;text-top&amp;#124;10px&amp;#124;alt=Edit_this_at_Wikidata&amp;#124;link=https&amp;#58;//www.wikidata.org/wiki/Q970745#identifiers&amp;#124;class=noprint&amp;#124;Edit_this_at_Wikidata" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&amp;#124;text-top&amp;#124;10px&amp;#124;alt=Edit_this_at_Wikidata&amp;#124;link=https&amp;#58;//www.wikidata.org/wiki/Q970745#identifiers&amp;#124;class=noprint&amp;#124;Edit_this_at_Wikidata" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q970745#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://isni.org/isni/0000000120208704">ISNI</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/10895623">VIAF</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="http://id.worldcat.org/fast/1915035/">FAST</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.oclc.org/worldcat/entity/E39PBJfRGbVDjJKrMGXXxdm68C">WorldCat</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/128357533">Germany</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/n2011042366">United States</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb10362568d">France</a></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb10362568d">BnF data</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Academics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.mathgenealogy.org/id.php?id=259190">Mathematics Genealogy Project</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.deutsche-biographie.de/pnd128357533.html?language=en">Deutsche Biographie</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://snaccooperative.org/ark:/99166/w6ks89s3">SNAC</a></span></li></ul></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.canary‐84779d6bf6‐vqkvc Cached time: 20241122164929 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.473 seconds Real time usage: 0.650 seconds Preprocessor visited node count: 3413/1000000 Post‐expand include size: 50561/2097152 bytes Template argument size: 2931/2097152 bytes Highest expansion depth: 14/100 Expensive parser function count: 1/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 39791/5000000 bytes Lua time usage: 0.325/10.000 seconds Lua memory usage: 7978823/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 588.898 1 -total 30.65% 180.509 1 Template:Infobox_scientist 17.47% 102.865 1 Template:Reflist 15.11% 88.961 4 Template:Cite_web 14.31% 84.270 1 Template:Presidents_of_the_American_Physical_Society 14.03% 82.610 2 Template:Navbox 11.19% 65.887 1 Template:Short_description 8.38% 49.371 1 Template:IPAc-en 8.17% 48.092 23 Template:Main_other 7.21% 42.437 1 Template:Succession_box --> <!-- Saved in parser cache with key enwiki:pcache:idhash:756466-0!canonical and timestamp 20241122164929 and revision id 1236435125. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Theodore_Lyman_IV&amp;oldid=1236435125">https://en.wikipedia.org/w/index.php?title=Theodore_Lyman_IV&amp;oldid=1236435125</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:1874_births" title="Category:1874 births">1874 births</a></li><li><a href="/wiki/Category:1954_deaths" title="Category:1954 deaths">1954 deaths</a></li><li><a href="/wiki/Category:United_States_Army_officers" title="Category:United States Army officers">United States Army officers</a></li><li><a href="/wiki/Category:American_military_personnel_of_World_War_I" title="Category:American military personnel of World War I">American military personnel of World War I</a></li><li><a href="/wiki/Category:Military_personnel_from_Massachusetts" title="Category:Military personnel from Massachusetts">Military personnel from Massachusetts</a></li><li><a href="/wiki/Category:Harvard_University_faculty" title="Category:Harvard University faculty">Harvard University faculty</a></li><li><a href="/wiki/Category:Harvard_University_alumni" title="Category:Harvard University alumni">Harvard University alumni</a></li><li><a href="/wiki/Category:Scientists_from_Boston" title="Category:Scientists from Boston">Scientists from Boston</a></li><li><a href="/wiki/Category:American_optical_physicists" title="Category:American optical physicists">American optical physicists</a></li><li><a href="/wiki/Category:Spectroscopists" title="Category:Spectroscopists">Spectroscopists</a></li><li><a href="/wiki/Category:Hollis_Chair_of_Mathematics_and_Natural_Philosophy" title="Category:Hollis Chair of Mathematics and Natural Philosophy">Hollis Chair of Mathematics and Natural Philosophy</a></li><li><a href="/wiki/Category:Members_of_the_United_States_National_Academy_of_Sciences" title="Category:Members of the United States National Academy of Sciences">Members of the United States National Academy of Sciences</a></li><li><a href="/wiki/Category:Presidents_of_the_American_Physical_Society" title="Category:Presidents of the American Physical Society">Presidents of the American Physical Society</a></li><li><a href="/wiki/Category:Physicists_from_Massachusetts" title="Category:Physicists from Massachusetts">Physicists from Massachusetts</a></li><li><a href="/wiki/Category:Members_of_the_American_Philosophical_Society" title="Category:Members of the American Philosophical Society">Members of the American Philosophical Society</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li><li><a href="/wiki/Category:Articles_with_hCards" title="Category:Articles with hCards">Articles with hCards</a></li><li><a href="/wiki/Category:No_local_image_but_image_on_Wikidata" title="Category:No local image but image on Wikidata">No local image but image on Wikidata</a></li><li><a href="/wiki/Category:CS1_errors:_missing_title" title="Category:CS1 errors: missing title">CS1 errors: missing title</a></li><li><a href="/wiki/Category:Wikipedia_articles_incorporating_a_citation_from_the_New_International_Encyclopedia" title="Category:Wikipedia articles incorporating a citation from the New International Encyclopedia">Wikipedia articles incorporating a citation from the New International Encyclopedia</a></li><li><a href="/wiki/Category:Wikipedia_articles_incorporating_text_via_vb_from_the_New_International_Encyclopedia" title="Category:Wikipedia articles incorporating text via vb from the New International Encyclopedia">Wikipedia articles incorporating text via vb from the New International Encyclopedia</a></li><li><a href="/wiki/Category:Cite_NIE_template_missing_title_parameter" title="Category:Cite NIE template missing title parameter">Cite NIE template missing title parameter</a></li><li><a href="/wiki/Category:Wikipedia_articles_incorporating_text_from_the_New_International_Encyclopedia" title="Category:Wikipedia articles incorporating text from the New International Encyclopedia">Wikipedia articles incorporating text from the New International Encyclopedia</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 24 July 2024, at 17:54<span class="anonymous-show">&#160;(UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=Theodore_Lyman_IV&amp;mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-6vrgq","wgBackendResponseTime":183,"wgPageParseReport":{"limitreport":{"cputime":"0.473","walltime":"0.650","ppvisitednodes":{"value":3413,"limit":1000000},"postexpandincludesize":{"value":50561,"limit":2097152},"templateargumentsize":{"value":2931,"limit":2097152},"expansiondepth":{"value":14,"limit":100},"expensivefunctioncount":{"value":1,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":39791,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 588.898 1 -total"," 30.65% 180.509 1 Template:Infobox_scientist"," 17.47% 102.865 1 Template:Reflist"," 15.11% 88.961 4 Template:Cite_web"," 14.31% 84.270 1 Template:Presidents_of_the_American_Physical_Society"," 14.03% 82.610 2 Template:Navbox"," 11.19% 65.887 1 Template:Short_description"," 8.38% 49.371 1 Template:IPAc-en"," 8.17% 48.092 23 Template:Main_other"," 7.21% 42.437 1 Template:Succession_box"]},"scribunto":{"limitreport-timeusage":{"value":"0.325","limit":"10.000"},"limitreport-memusage":{"value":7978823,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.canary-84779d6bf6-vqkvc","timestamp":"20241122164929","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Theodore Lyman IV","url":"https:\/\/en.wikipedia.org\/wiki\/Theodore_Lyman_IV","sameAs":"http:\/\/www.wikidata.org\/entity\/Q970745","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q970745","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-06-26T22:37:15Z","dateModified":"2024-07-24T17:54:12Z","headline":"American physicist (1874\u20131954)"}</script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10