CINXE.COM

<!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>H. N. Cheng - 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":"ed898013-40b4-46db-acc4-be3d9d4379e8","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"H._N._Cheng","wgTitle":"H. N. Cheng","wgCurRevisionId":1233824230,"wgRevisionId":1233824230,"wgArticleId":70855365,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description matches Wikidata","Articles with hCards","All articles with unsourced statements","Articles with unsourced statements from June 2022","University of California, Los Angeles alumni","Living people","1947 births","University of Illinois College of Liberal Arts and Sciences alumni","Members of Phi Kappa Phi","Presidents of the American Chemical Society"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel": "wikitext","wgRelevantPageName":"H._N._Cheng","wgRelevantArticleId":70855365,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgRedirectedFrom":"H.N._Cheng","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":9000,"wgInternalRedirectTargetUrl":"/wiki/H._N._Cheng","wgRelatedArticlesCompat":[],"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q112129132", "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=["mediawiki.action.view.redirect","ext.cite.ux-enhancements","site","mediawiki.page.ready","jquery.makeCollapsible","skins.vector.js", "ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","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"];</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&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&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.6"> <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="H. N. Cheng - Wikipedia"> <meta property="og:type" content="website"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/H._N._Cheng"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=H._N._Cheng&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/H._N._Cheng"> <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&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-H_N_Cheng rootpage-H_N_Cheng 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'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/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&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&returnto=H.+N.+Cheng" 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&returnto=H.+N.+Cheng" title="You're encouraged to log in; however, it'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/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=en.wikipedia.org&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&returnto=H.+N.+Cheng" 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&returnto=H.+N.+Cheng" title="You're encouraged to log in; however, it'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"></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-Early_life" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Early_life"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Early life</span> </div> </a> <ul id="toc-Early_life-sublist" class="vector-toc-list"> </ul> </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">2</span> <span>Career</span> </div> </a> <ul id="toc-Career-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">3</span> <span>References</span> </div> </a> <ul id="toc-References-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">H. N. Cheng</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="This article exist only in this language. Add the article for other 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-0" 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">Add languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> <div class="after-portlet after-portlet-lang"><span class="uls-after-portlet-link"></span><span class="wb-langlinks-add wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q112129132#sitelinks-wikipedia" title="Add interlanguage links" class="wbc-editpage">Add 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/H._N._Cheng" 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:H._N._Cheng" 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/H._N._Cheng"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=H._N._Cheng&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=H._N._Cheng&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/H._N._Cheng"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=H._N._Cheng&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=H._N._Cheng&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/H._N._Cheng" 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/H._N._Cheng" 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=H._N._Cheng&oldid=1233824230" 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=H._N._Cheng&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&page=H._N._Cheng&id=1233824230&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:UrlQ%C4%B1sald%C4%B1c%C4%B1s%C4%B1&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FH._N._Cheng"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrKodu&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FH._N._Cheng"><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&page=H._N._Cheng&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=H._N._Cheng&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 id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q112129132" 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"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=H.N._Cheng&redirect=no" class="mw-redirect" title="H.N. Cheng">H.N. Cheng</a>)</span></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 research chemist</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">H. N. Cheng</div></th></tr><tr><th scope="row" class="infobox-label">Nationality</th><td class="infobox-data category">American</td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data">University of California, Los Angeles<br />University of Illinois Urbana-Champaign</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">Chemistry</td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>H.N. Cheng</b> is an American research <a href="/wiki/Chemist" title="Chemist">chemist</a>. His most recent position was with <a href="/wiki/U.S._Department_of_Agriculture" class="mw-redirect" title="U.S. Department of Agriculture">U.S. Department of Agriculture</a> in its <a href="/wiki/Agricultural_Research_Service" title="Agricultural Research Service">Agricultural Research Service</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Early_life">Early life</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=H._N._Cheng&action=edit&section=1" title="Edit section: Early life"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>He received his BS in chemistry from the <a href="/wiki/University_of_California,_Los_Angeles" title="University of California, Los Angeles">University of California, Los Angeles</a>,<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2022)">citation needed</span></a></i>]</sup> (<a href="/wiki/Phi_Beta_Kappa" title="Phi Beta Kappa">Phi Beta Kappa</a>). He received a University Scholarship, the William Homan and Non-Resident Scholarship, and was a <a href="/wiki/National_Science_Foundation" title="National Science Foundation">NSF</a> Undergraduate Research Participant. He graduated <a href="/wiki/Summa_cum_laude" class="mw-redirect" title="Summa cum laude">summa cum laude</a>, with Highest Honors from the chemistry department. </p><p>He received his Ph.D. from the <a href="/wiki/University_of_Illinois" class="mw-redirect" title="University of Illinois">University of Illinois</a> at <a href="/wiki/Urbana-Champaign" class="mw-redirect" title="Urbana-Champaign">Urbana-Champaign</a>, <a href="/wiki/Illinois" title="Illinois">Illinois</a> in the Department of Chemistry where his thesis advisor was Professor <a href="/wiki/Herbert_S._Gutowsky" title="Herbert S. Gutowsky">H.S. Gutowsky</a>. He was a university fellow, a member of <a href="/wiki/Sigma_Xi" title="Sigma Xi">Sigma Xi</a> (the Scientific Research Honor Society),<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Phi_Kappa_Phi" title="Phi Kappa Phi">Phi Kappa Phi</a> Honor Society,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/Phi_Lambda_Upsilon" title="Phi Lambda Upsilon">Phi Lambda Upsilon</a> Honorary Chemical Society.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <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=H._N._Cheng&action=edit&section=2" title="Edit section: Career"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Cheng researches green polymer chemistry and sustainability as a platform to produce eco-friendly and sustainable products including biobased materials, biocatalysis, green processing, and green methodologies.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> He has developed new or improved reaction processes and made many derivatives of polysaccharides, triglycerides, proteins, and agricultural residues. New or improved products and formulations have been produced for specific applications. He has also made notable contributions on polymerization theory, modeling, and polymer NMR. He has authored or co-authored over 300 papers, 26 patent publications, organized 45 symposia, and edited 23 books.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>He was a visiting member of technical staff, 1974–1976 at Bell Laboratories in Murray Hill, New Jersey, where he studied polymer oxidation and degradation. </p><p>From 1976–1979 he worked as a senior research chemist, Analytical Chemistry Department for <a href="/wiki/GAF_Corporation" class="mw-redirect" title="GAF Corporation">GAF Corporation</a> in Wayne, New Jersey. His work included analytical coordination, problem solving, and special projects. </p><p>In 1979 he moved to Hercules Incorporated in Wilmington, Delaware, where he held various R&D and managerial positions.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> From 1979–1983 he worked as a member of research staff, Analytical Science Division. In 1983-1990 he was a research supervisor, Analytical Science Division. From 1990–2002 he was a research fellow and program manager. From 2002–2009 he was a senior research fellow. </p><p>From 2009 until 2022 Cheng was a research chemist at <a href="/wiki/USDA" class="mw-redirect" title="USDA">USDA</a> <a href="/wiki/Southern_Regional_Research_Center" title="Southern Regional Research Center">Southern Regional Research Center</a> in <a href="/wiki/New_Orleans" title="New Orleans">New Orleans</a>. He retired in May 2022 but continues as collaborator. He stays active in research and professional activities and continues to publish and give lectures on this work. </p><p>Cheng was selected an inaugural Fellow of the <a href="/wiki/American_Chemical_Society" title="American Chemical Society"> American Chemical Society (ACS)</a><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> in 2009. He became a Fellow of the ACS <a href="/wiki/Polymer_Chemistry" class="mw-redirect" title="Polymer Chemistry">Polymer Chemistry</a><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Division in 2010, and a Fellow of the ACS Agricultural and Food Chemistry Division<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> in 2018. </p><p>He was selected as the Outstanding Scientist of the Year at USDA Southern Regional Research Center<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> in 2014 and in 2019. He was the recipient of Spencer Award from ACS Kansan City Section and AGFD and AGRO Divisions (2022), Herty Medal from ACS Georgia Section (2022), ACS Volunteer Service Award (2016), Tillmans-Skolnick Award for Outstanding Service from the ACS Delaware Section (2006), Distinguished Service (2005) and Special Service (2015) Awards from ACS Polymer Division, and ACS Delaware Section Award for research excellence (1994).<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p><p>Cheng served as the <a href="/wiki/Presidents_of_the_American_Chemical_Society" title="Presidents of the American Chemical Society">ACS president</a> in 2021. During his presidential year, he championed the cause of chemistry, emphasizing the importance of innovation, disciplinary growth, sustainability, and digitization. Moreover, he was active in organizing webinars and symposia to benefit ACS members and the chemistry enterprise. In 2022 Cheng served as the ACS Immediate Past President and continued his efforts in promoting research, collaboration, and industrial engagements. He was Chair of International Activities Committee (2013–2015), Chair of Committee on Economic and Professional Affairs (2006), Co-chair of Presidential Task Force on "Vision 2025: Helping ACS Members Thrive in the Global Chemistry Enterprise" (2012–2013), Associate Chair of Board-Presidential Task Force on "Multidisciplinary" (2004–2005), and Chair of CEPA Task Force on "Globalization Issues" (2004–2005).<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> He was also active in ACS local sections and technical divisions, serving in various leadership positions for many years.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </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=H._N._Cheng&action=edit&section=3" 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 mw-references-columns"><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.sigmaxi.org/">"Home"</a>. <i>SigmaXi</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=SigmaXi&rft.atitle=Home&rft_id=https%3A%2F%2Fwww.sigmaxi.org%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" 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="http://www.phikappaphi.org/">"Phi Kappa Phi - Home"</a>. <i>Phi Kappa Phi Honor Society</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Phi+Kappa+Phi+Honor+Society&rft.atitle=Phi+Kappa+Phi+-+Home&rft_id=http%3A%2F%2Fwww.phikappaphi.org%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" 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://philambdaupsilon.org/">"Home"</a>. <i>Phi Lambda Upsilon Honorary Chemical Society</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Phi+Lambda+Upsilon+Honorary+Chemical+Society&rft.atitle=Home&rft_id=https%3A%2F%2Fphilambdaupsilon.org%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" 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.acs.org/content/acs/en/industry/industry-matters/sustainability.html">"5 Questions with H.N. Cheng: Sustainability"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=5+Questions+with+H.N.+Cheng%3A+Sustainability&rft_id=https%3A%2F%2Fwww.acs.org%2Fcontent%2Facs%2Fen%2Findustry%2Findustry-matters%2Fsustainability.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</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://hncheng-acs.org/biography/">"Biography"</a>. <i>hncheng-acs</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=hncheng-acs&rft.atitle=Biography&rft_id=https%3A%2F%2Fhncheng-acs.org%2Fbiography%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</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://scholar.google.com/citations?user=3cFGL08AAAAJ&oi=ao">"Scholar Profile"</a>. <i>Google Scholar</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Google+Scholar&rft.atitle=Scholar+Profile&rft_id=https%3A%2F%2Fscholar.google.com%2Fcitations%3Fuser%3D3cFGL08AAAAJ%26oi%3Dao&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</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.acs.org/content/acs/en/industry/industry-matters/what-i-learned/hn-cheng.html">"HN-Cheng"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=HN-Cheng&rft_id=https%3A%2F%2Fwww.acs.org%2Fcontent%2Facs%2Fen%2Findustry%2Findustry-matters%2Fwhat-i-learned%2Fhn-cheng.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</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.acs.org/content/acs/en.html">"Home"</a>. <i>American Chemical Society</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=American+Chemical+Society&rft.atitle=Home&rft_id=https%3A%2F%2Fwww.acs.org%2Fcontent%2Facs%2Fen.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRaber" class="citation web cs1">Raber, Linda. <a rel="nofollow" class="external text" href="http://pubsapp.acs.org/isubscribe/journals/cen/87/i30/html/8730acs.html">"First Class"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=First+Class&rft.aulast=Raber&rft.aufirst=Linda&rft_id=http%3A%2F%2Fpubsapp.acs.org%2Fisubscribe%2Fjournals%2Fcen%2F87%2Fi30%2Fhtml%2F8730acs.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</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://polyacs.org/">"Home"</a>. <i>Polymer Division</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Polymer+Division&rft.atitle=Home&rft_id=https%3A%2F%2Fpolyacs.org%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</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.agfoodchem.org/">"Home"</a>. <i>Agricultural & Food Chemistry Division</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Agricultural+%26+Food+Chemistry+Division&rft.atitle=Home&rft_id=https%3A%2F%2Fwww.agfoodchem.org%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</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.ars.usda.gov/southeast-area/new-orleans-la/southern-regional-research-center/">"Southern Regional Research Center"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Southern+Regional+Research+Center&rft_id=https%3A%2F%2Fwww.ars.usda.gov%2Fsoutheast-area%2Fnew-orleans-la%2Fsouthern-regional-research-center%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</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.acs.org/content/acs/en/industry/industry-matters/fostering-innovation.html">"Fostering Innovation"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Fostering+Innovation&rft_id=https%3A%2F%2Fwww.acs.org%2Fcontent%2Facs%2Fen%2Findustry%2Findustry-matters%2Ffostering-innovation.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</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://hncheng-acs.org/biography/">"Biography"</a>. <i>hncheng-acs</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=hncheng-acs&rft.atitle=Biography&rft_id=https%3A%2F%2Fhncheng-acs.org%2Fbiography%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</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://hncheng-acs.org/biography/">"Biography"</a>. <i>hncheng-acs</i><span class="reference-accessdate">. Retrieved <span class="nowrap">23 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=hncheng-acs&rft.atitle=Biography&rft_id=https%3A%2F%2Fhncheng-acs.org%2Fbiography%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AH.+N.+Cheng" class="Z3988"></span></span> </li> </ol></div></div> <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_Chemical_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_Chemical_Society" title="Template:Presidents of the American Chemical Society"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Presidents_of_the_American_Chemical_Society" title="Template talk:Presidents of the American Chemical Society"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Presidents_of_the_American_Chemical_Society" title="Special:EditPage/Template:Presidents of the American Chemical Society"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Presidents_of_the_American_Chemical_Society" style="font-size:114%;margin:0 4em">Presidents of the <a href="/wiki/American_Chemical_Society" title="American Chemical Society">American Chemical Society</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">1876–1900</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/John_William_Draper" title="John William Draper">John W. Draper</a> (1876)</li> <li><a href="/wiki/J._Lawrence_Smith_(chemist)" title="J. Lawrence Smith (chemist)">J. Lawrence Smith</a> (1877)</li> <li><a href="/wiki/Samuel_William_Johnson" title="Samuel William Johnson">Samuel William Johnson</a> (1878)</li> <li><a href="/wiki/Thomas_Sterry_Hunt" title="Thomas Sterry Hunt">T. Sterry Hunt</a> (1879)</li> <li><a href="/wiki/Frederick_Augustus_Genth" title="Frederick Augustus Genth">Frederick A. Genth</a> (1880)</li> <li><a href="/wiki/Charles_F._Chandler" title="Charles F. Chandler">Charles F. Chandler</a> (1881)</li> <li><a href="/wiki/John_Mallet" title="John Mallet">John W. Mallet</a> (1882)</li> <li><a href="/wiki/James_Curtis_Booth" title="James Curtis Booth">James C. Booth</a> (1883)</li> <li><a href="/wiki/Albert_Benjamin_Prescott" title="Albert Benjamin Prescott">Albert B. Prescott</a> (1886)</li> <li><a href="/wiki/Charles_Anthony_Goessmann" title="Charles Anthony Goessmann">Charles Anthony Goessmann</a> (1887)</li> <li><a href="/wiki/Thomas_Sterry_Hunt" title="Thomas Sterry Hunt">T. Sterry Hunt</a> (1888)</li> <li><a href="/wiki/Charles_F._Chandler" title="Charles F. Chandler">Charles F. Chandler</a> (1889)</li> <li><a href="/wiki/Henry_Bradford_Nason" title="Henry Bradford Nason">Henry B. Nason</a> (1890)</li> <li><a href="/wiki/George_Frederick_Barker" title="George Frederick Barker">George F. Barker</a> (1891)</li> <li><a href="/wiki/George_Chapman_Caldwell" title="George Chapman Caldwell">George C. Caldwell</a> (1892)</li> <li><a href="/wiki/Harvey_Washington_Wiley" title="Harvey Washington Wiley">Harvey W. Wiley</a> (1893)</li> <li><a href="/wiki/Edgar_Fahs_Smith" title="Edgar Fahs Smith">Edgar Fahs Smith</a> (1895)</li> <li><a href="/wiki/Charles_Benjamin_Dudley" title="Charles Benjamin Dudley">Charles B. Dudley</a> (1896)</li> <li><a href="/wiki/Charles_Edward_Munroe" title="Charles Edward Munroe">Charles E. Munroe</a> (1898)</li> <li><a href="/wiki/Edward_W._Morley" title="Edward W. Morley">Edward W. Morley</a> (1899)</li> <li><a href="/wiki/William_McMurtrie" title="William McMurtrie">William McMurtrie</a> (1900)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">1901–1925</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/Frank_Wigglesworth_Clarke" title="Frank Wigglesworth Clarke">Frank W. Clarke</a> (1901)</li> <li><a href="/wiki/Ira_Remsen" title="Ira Remsen">Ira Remsen</a> (1902)</li> <li><a href="/wiki/John_H._Long_(chemist)" title="John H. Long (chemist)">John H. Long</a> (1903)</li> <li><a href="/wiki/Arthur_Amos_Noyes" title="Arthur Amos Noyes">Arthur Amos Noyes</a> (1904)</li> <li><a href="/wiki/Francis_Preston_Venable" title="Francis Preston Venable">Francis P. Venable</a> (1905)</li> <li><a href="/wiki/William_Francis_Hillebrand" title="William Francis Hillebrand">William F. Hillebrand</a> (1906)</li> <li><a href="/wiki/Marston_T._Bogert" title="Marston T. Bogert">Marston T. Bogert</a> (1907)</li> <li><a href="/wiki/Willis_R._Whitney" title="Willis R. Whitney">Willis R. Whitney</a> (1909)</li> <li><a href="/wiki/Wilder_Dwight_Bancroft" title="Wilder Dwight Bancroft">Wilder D. Bancroft</a> (1910)</li> <li><a href="/wiki/Alexander_Smith_(chemist)" title="Alexander Smith (chemist)">Alexander Smith</a> (1911)</li> <li><a href="/wiki/Arthur_Dehon_Little" title="Arthur Dehon Little">Arthur Dehon Little</a> (1912)</li> <li><a href="/wiki/Theodore_William_Richards" title="Theodore William Richards">Theodore W. Richards</a> (1914)</li> <li><a href="/wiki/Charles_Herty" title="Charles Herty">Charles H. Herty</a> (1915)</li> <li><a href="/wiki/Julius_Stieglitz" title="Julius Stieglitz">Julius Stieglitz</a> (1917)</li> <li><a href="/wiki/William_H._Nichols" title="William H. Nichols">William H. Nichols</a> (1918)</li> <li><a href="/wiki/William_A._Noyes" title="William A. Noyes">William A. Noyes</a> (1920)</li> <li><a href="/wiki/Edgar_Fahs_Smith" title="Edgar Fahs Smith">Edgar Fahs Smith</a> (1921)</li> <li><a href="/wiki/Edward_Curtis_Franklin" title="Edward Curtis Franklin">Edward C. Franklin</a> (1923)</li> <li><a href="/wiki/Leo_Baekeland" title="Leo Baekeland">Leo H. Baekeland</a> (1924)</li> <li><a href="/wiki/James_Flack_Norris" title="James Flack Norris">James Flack Norris</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-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=George_D._Rosengarten&action=edit&redlink=1" class="new" title="George D. Rosengarten (page does not exist)">George D. Rosengarten</a> (1927)</li> <li><a href="/wiki/Samuel_W._Parr" class="mw-redirect" title="Samuel W. Parr">Samuel W. Parr</a> (1928)</li> <li><a href="/wiki/Irving_Langmuir" title="Irving Langmuir">Irving Langmuir</a> (1929)</li> <li><a href="/wiki/William_McPherson_(university_president)" title="William McPherson (university president)">William McPherson</a> (1930)</li> <li><a href="/wiki/Moses_Gomberg" title="Moses Gomberg">Moses Gomberg</a> (1931)</li> <li><a href="/wiki/Lawrence_V._Redman" title="Lawrence V. Redman">Lawrence V. Redman</a> (1932)</li> <li><a href="/w/index.php?title=Arthur_B._Lamb&action=edit&redlink=1" class="new" title="Arthur B. Lamb (page does not exist)">Arthur B. Lamb</a> (1933)</li> <li><a href="/w/index.php?title=Charles_L._Reese&action=edit&redlink=1" class="new" title="Charles L. Reese (page does not exist)">Charles L. Reese</a> (1934)</li> <li><a href="/wiki/Roger_Adams" title="Roger Adams">Roger Adams</a> (1935)</li> <li><a href="/wiki/Edward_Bartow" title="Edward Bartow">Edward Bartow</a> (1936)</li> <li><a href="/wiki/Edward_R._Weidlein" title="Edward R. Weidlein">Edward R. Weidlein</a> (1937)</li> <li><a href="/wiki/Frank_C._Whitmore" title="Frank C. Whitmore">Frank C. Whitmore</a> (1938)</li> <li><a href="/wiki/Charles_A._Kraus" title="Charles A. Kraus">Charles A. Kraus</a> (1939)</li> <li><a href="/wiki/Samuel_C._Lind" title="Samuel C. Lind">Samuel C. Lind</a> (1940)</li> <li><a href="/w/index.php?title=William_Lloyd_Evans&action=edit&redlink=1" class="new" title="William Lloyd Evans (page does not exist)">William Lloyd Evans</a> (1941)</li> <li><a href="/w/index.php?title=Harry_N._Holmes&action=edit&redlink=1" class="new" title="Harry N. Holmes (page does not exist)">Harry N. Holmes</a> (1942)</li> <li><a href="/w/index.php?title=Per_K._Frolich&action=edit&redlink=1" class="new" title="Per K. Frolich (page does not exist)">Per K. Frolich</a> (1943)</li> <li><a href="/wiki/Thomas_Midgley_Jr." title="Thomas Midgley Jr.">Thomas Midgley Jr.</a> (1944)</li> <li><a href="/wiki/Carl_Shipp_Marvel" title="Carl Shipp Marvel">Carl S. Marvel</a> (1945)</li> <li><a href="/w/index.php?title=Bradley_Dewey&action=edit&redlink=1" class="new" title="Bradley Dewey (page does not exist)">Bradley Dewey</a> (1946)</li> <li><a href="/wiki/W._Albert_Noyes_Jr." title="W. Albert Noyes Jr.">W. Albert Noyes Jr.</a> (1947)</li> <li><a href="/wiki/Charles_Allen_Thomas" title="Charles Allen Thomas">Charles A. Thomas</a> (1948)</li> <li><a href="/wiki/Linus_Pauling" title="Linus Pauling">Linus Pauling</a> (1949)</li> <li><a href="/wiki/Ernest_H._Volwiler" title="Ernest H. Volwiler">Ernest H. Volwiler</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-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=N._Howell_Funnan&action=edit&redlink=1" class="new" title="N. Howell Funnan (page does not exist)">N. Howell Funnan</a> (1951)</li> <li><a href="/w/index.php?title=Edgar_C._Britton&action=edit&redlink=1" class="new" title="Edgar C. Britton (page does not exist)">Edgar C. Britton</a> (1952)</li> <li><a href="/wiki/Farrington_Daniels" title="Farrington Daniels">Farrington Daniels</a> (1953)</li> <li><a href="/wiki/Harry_L._Fisher" title="Harry L. Fisher">Harry L. Fisher</a> (1954)</li> <li><a href="/wiki/Joel_Henry_Hildebrand" title="Joel Henry Hildebrand">Joel H. Hildebrand</a> (1955)</li> <li><a href="/w/index.php?title=John_C._Warner&action=edit&redlink=1" class="new" title="John C. Warner (page does not exist)">John C. Warner</a> (1956)</li> <li><a href="/wiki/Roger_J._Williams" title="Roger J. Williams">Roger J. Williams</a> (1957)</li> <li><a href="/w/index.php?title=Clifford_F._Rassweiler&action=edit&redlink=1" class="new" title="Clifford F. Rassweiler (page does not exist)">Clifford F. Rassweiler</a> (1958)</li> <li><a href="/wiki/John_C._Bailar_Jr." title="John C. Bailar Jr.">John C. Bailar Jr.</a> (1959)</li> <li><a href="/w/index.php?title=Albert_L._Elder&action=edit&redlink=1" class="new" title="Albert L. Elder (page does not exist)">Albert L. Elder</a> (1960)</li> <li><a href="/wiki/Arthur_C._Cope" title="Arthur C. Cope">Arthur C. Cope</a> (1961)</li> <li><a href="/wiki/Karl_August_Folkers" title="Karl August Folkers">Karl Folkers</a> (1962)</li> <li><a href="/wiki/Henry_Eyring_(chemist)" title="Henry Eyring (chemist)">Henry Eyring</a> (1963)</li> <li><a href="/w/index.php?title=Maurice_H._Arveson&action=edit&redlink=1" class="new" title="Maurice H. Arveson (page does not exist)">Maurice H. Arveson</a> (1964)</li> <li><a href="/wiki/Charles_C._Price" title="Charles C. Price">Charles C. Price</a> (1965)</li> <li><a href="/wiki/William_J._Sparks" title="William J. Sparks">William J. Sparks</a> (1966)</li> <li><a href="/wiki/Charles_G._Overberger" title="Charles G. Overberger">Charles G. Overberger</a> (1967)</li> <li><a href="/wiki/Robert_W._Cairns" title="Robert W. Cairns">Robert W. Cairns</a> (1968)</li> <li><a href="/wiki/Wallace_R._Brode" title="Wallace R. Brode">Wallace R. Brode</a> (1969)</li> <li><a href="/w/index.php?title=Byron_Riegel&action=edit&redlink=1" class="new" title="Byron Riegel (page does not exist)">Byron Riegel</a> (1970)</li> <li><a href="/wiki/Melvin_Calvin" title="Melvin Calvin">Melvin Calvin</a> (1971)</li> <li><a href="/wiki/Max_Tishler" title="Max Tishler">Max Tishler</a> (1972)</li> <li><a href="/w/index.php?title=Alan_C._Nixon&action=edit&redlink=1" class="new" title="Alan C. Nixon (page does not exist)">Alan C. Nixon</a> (1973)</li> <li><a href="/w/index.php?title=Bernard_S._Friedman&action=edit&redlink=1" class="new" title="Bernard S. Friedman (page does not exist)">Bernard S. Friedman</a> (1974)</li> <li><a href="/wiki/William_J._Bailey" title="William J. Bailey">William J. Bailey</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-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glenn_T._Seaborg" title="Glenn T. Seaborg">Glenn T. Seaborg</a> (1976)</li> <li><a href="/wiki/Henry_A._Hill" class="mw-redirect" title="Henry A. Hill">Henry A. Hill</a> (1977)</li> <li><a href="/wiki/Anna_J._Harrison" title="Anna J. Harrison">Anna J. Harrison</a> (1978)</li> <li><a href="/w/index.php?title=Gardner_W._Stacy&action=edit&redlink=1" class="new" title="Gardner W. Stacy (page does not exist)">Gardner W. Stacy</a> (1979)</li> <li><a href="/wiki/James_D._D%27Ianni" title="James D. D'Ianni">James D. D'Ianni</a> (1980)</li> <li><a href="/w/index.php?title=Albert_C._Zettlemoyer&action=edit&redlink=1" class="new" title="Albert C. Zettlemoyer (page does not exist)">Albert C. Zettlemoyer</a> (1981)</li> <li><a href="/wiki/Robert_W._Parry" title="Robert W. Parry">Robert W. Parry</a> (1982)</li> <li><a href="/wiki/Fred_Basolo" title="Fred Basolo">Fred Basolo</a> (1983)</li> <li><a href="/wiki/Warren_D._Niederhauser" title="Warren D. Niederhauser">Warren D. Niederhauser</a> (1984)</li> <li><a href="/w/index.php?title=Ellis_K._Fields&action=edit&redlink=1" class="new" title="Ellis K. Fields (page does not exist)">Ellis K. Fields</a> (1985)</li> <li><a href="/wiki/George_C._Pimentel" title="George C. Pimentel">George C. Pimentel</a> (1986)</li> <li><a href="/wiki/Mary_L._Good" title="Mary L. Good">Mary L. Good</a> (1987)</li> <li><a href="/w/index.php?title=Gordon_L._Nelson&action=edit&redlink=1" class="new" title="Gordon L. Nelson (page does not exist)">Gordon L. Nelson</a> (1988)</li> <li><a href="/w/index.php?title=Clayton_F._Callis&action=edit&redlink=1" class="new" title="Clayton F. Callis (page does not exist)">Clayton F. Callis</a> (1989)</li> <li><a href="/wiki/Paul_G._Gassman" title="Paul G. Gassman">Paul G. Gassman</a> (1990)</li> <li><a href="/w/index.php?title=S._Allen_Heininger&action=edit&redlink=1" class="new" title="S. Allen Heininger (page does not exist)">S. Allen Heininger</a> (1991)</li> <li><a href="/wiki/Ernest_L._Eliel" title="Ernest L. Eliel">Ernest L. Eliel</a> (1992)</li> <li><a href="/wiki/Helen_Murray_Free" title="Helen Murray Free">Helen M. Free</a> (1993)</li> <li><a href="/wiki/Ned_D._Heindel" title="Ned D. Heindel">Ned D. Heindel</a> (1994)</li> <li><a href="/w/index.php?title=Brian_M._Rushton&action=edit&redlink=1" class="new" title="Brian M. Rushton (page does not exist)">Brian M. Rushton</a> (1995)</li> <li><a href="/wiki/Ronald_Breslow" title="Ronald Breslow">Ronald Breslow</a> (1996)</li> <li><a href="/wiki/Paul_S._Anderson" title="Paul S. Anderson">Paul S. Anderson</a> (1997)</li> <li><a href="/w/index.php?title=Paul_H.L._Walter&action=edit&redlink=1" class="new" title="Paul H.L. Walter (page does not exist)">Paul H.L. Walter</a> (1998)</li> <li><a href="/w/index.php?title=Edel_Wasserman&action=edit&redlink=1" class="new" title="Edel Wasserman (page does not exist)">Edel Wasserman</a> (1999)</li> <li><a href="/wiki/Daryle_H._Busch" title="Daryle H. Busch">Daryle H. Busch</a> (2000)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">2001–<i>present</i></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="/w/index.php?title=Attila_E._Pavlath&action=edit&redlink=1" class="new" title="Attila E. Pavlath (page does not exist)">Attila E. Pavlath</a> (2001)</li> <li><a href="/wiki/Eli_M._Pearce" title="Eli M. Pearce">Eli M. Pearce</a> (2002)</li> <li><a href="/wiki/Elsa_Reichmanis" title="Elsa Reichmanis">Elsa Reichmanis</a> (2003)</li> <li><a href="/wiki/Charles_P._Casey" title="Charles P. Casey">Charles P. Casey</a> (2004)</li> <li><a href="/w/index.php?title=William_F._Carroll_Jr.&action=edit&redlink=1" class="new" title="William F. Carroll Jr. (page does not exist)">William F. Carroll Jr.</a> (2005)</li> <li><a href="/wiki/Elizabeth_Ann_Nalley" title="Elizabeth Ann Nalley">Elizabeth Ann Nalley</a> (2006)</li> <li><a href="/wiki/Catherine_T._Hunt" title="Catherine T. Hunt">Catherine T. Hunt</a> (2007)</li> <li><a href="/wiki/Bruce_E._Bursten" title="Bruce E. Bursten">Bruce E. Bursten</a> (2008)</li> <li><a href="/wiki/Thomas_H._Lane" title="Thomas H. Lane">Thomas H. Lane</a> (2009)</li> <li><a href="/wiki/Joseph_Francisco" title="Joseph Francisco">Joseph Francisco</a> (2010)</li> <li><a href="/wiki/Nancy_B._Jackson" title="Nancy B. Jackson">Nancy B. Jackson</a> (2011)</li> <li><a href="/wiki/Bassam_Shakhashiri" title="Bassam Shakhashiri">Bassam Z. Shakhashiri</a> (2012)</li> <li><a href="/wiki/Marinda_Li_Wu" title="Marinda Li Wu">Marinda Li Wu</a> (2013)</li> <li><a href="/wiki/Thomas_J._Barton" title="Thomas J. Barton">Thomas J. Barton</a> (2014)</li> <li><a href="/wiki/Diane_Grob_Schmidt" title="Diane Grob Schmidt">Diane Grob Schmidt</a> (2015)</li> <li><a href="/wiki/Donna_Nelson" title="Donna Nelson">Donna J. Nelson</a> (2016)</li> <li><a href="/wiki/Allison_A._Campbell" title="Allison A. Campbell">Allison A. Campbell</a> (2017)</li> <li><a href="/wiki/Peter_K._Dorhout" title="Peter K. Dorhout">Peter K. Dorhout</a> (2018)</li> <li><a href="/wiki/Bonnie_A._Charpentier" title="Bonnie A. Charpentier">Bonnie A. Charpentier</a> (2019)</li> <li><a href="/wiki/Luis_Echegoyen" title="Luis Echegoyen">Luis Echegoyen</a> (2020)</li> <li><a href="/wiki/H.N._Cheng" class="mw-redirect" title="H.N. Cheng">H.N. Cheng</a> (2021)</li> <li><a href="/wiki/Angela_K._Wilson" title="Angela K. Wilson">Angela K. Wilson</a> (2022)</li> <li><a href="/wiki/Judith_Giordan" title="Judith Giordan">Judith Giordan</a> (2023)</li> <li><a href="/wiki/Mary_K._Carroll" title="Mary K. Carroll">Mary K. Carroll</a> (2024)</li> <li><a href="/wiki/Dorothy_J._Phillips" title="Dorothy J. Phillips">Dorothy J. Phillips</a>, President Elect (2025)</li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" 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=H._N._Cheng&oldid=1233824230">https://en.wikipedia.org/w/index.php?title=H._N._Cheng&oldid=1233824230</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:University_of_California,_Los_Angeles_alumni" title="Category:University of California, Los Angeles alumni">University of California, Los Angeles alumni</a></li><li><a href="/wiki/Category:Living_people" title="Category:Living people">Living people</a></li><li><a href="/wiki/Category:1947_births" title="Category:1947 births">1947 births</a></li><li><a href="/wiki/Category:University_of_Illinois_College_of_Liberal_Arts_and_Sciences_alumni" title="Category:University of Illinois College of Liberal Arts and Sciences alumni">University of Illinois College of Liberal Arts and Sciences alumni</a></li><li><a href="/wiki/Category:Members_of_Phi_Kappa_Phi" title="Category:Members of Phi Kappa Phi">Members of Phi Kappa Phi</a></li><li><a href="/wiki/Category:Presidents_of_the_American_Chemical_Society" title="Category:Presidents of the American Chemical Society">Presidents of the American Chemical 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:All_articles_with_unsourced_statements" title="Category:All articles with unsourced statements">All articles with unsourced statements</a></li><li><a href="/wiki/Category:Articles_with_unsourced_statements_from_June_2022" title="Category:Articles with unsourced statements from June 2022">Articles with unsourced statements from June 2022</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 11 July 2024, at 02:32<span class="anonymous-show"> (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=H._N._Cheng&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-55db797859-vgt7f","wgBackendResponseTime":146,"wgPageParseReport":{"limitreport":{"cputime":"0.374","walltime":"0.516","ppvisitednodes":{"value":2597,"limit":1000000},"postexpandincludesize":{"value":45574,"limit":2097152},"templateargumentsize":{"value":1623,"limit":2097152},"expansiondepth":{"value":12,"limit":100},"expensivefunctioncount":{"value":2,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":58409,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 458.052 1 -total"," 30.97% 141.859 1 Template:Infobox_scientist"," 27.16% 124.421 1 Template:Reflist"," 23.42% 107.265 15 Template:Cite_web"," 17.21% 78.826 1 Template:Presidents_of_the_American_Chemical_Society"," 16.79% 76.905 1 Template:Navbox"," 15.35% 70.307 1 Template:Short_description"," 9.63% 44.108 1 Template:Wikidata_image"," 7.89% 36.141 2 Template:Pagetype"," 7.68% 35.186 1 Template:Cn"]},"scribunto":{"limitreport-timeusage":{"value":"0.264","limit":"10.000"},"limitreport-memusage":{"value":6641373,"limit":52428800}},"cachereport":{"origin":"mw-api-ext.codfw.main-6bd4c644cc-z9f6k","timestamp":"20241203133607","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"H. N. Cheng","url":"https:\/\/en.wikipedia.org\/wiki\/H._N._Cheng","sameAs":"http:\/\/www.wikidata.org\/entity\/Q112129132","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q112129132","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":"2022-05-23T18:06:38Z","dateModified":"2024-07-11T02:32:09Z","headline":"American research chemist"}</script> </body> </html>