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class="firstHeading mw-first-heading"><span class="mw-page-title-main">Brent Dalrymple</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. 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</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=G._Brent_Dalrymple&redirect=no" class="mw-redirect" title="G. 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Brent Dalrymple</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 geologist</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">Gary Brent Dalrymple</div></th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:SCIENTIST_BRENT_DALRYMPLE_ADJUSTING_MASS_SPECTROMETER_VACUUM_FLIGHT_TUBE,_1971._-_U.S._Geological_Survey,_Rock_Magnetics_Laboratory,_345_Middlefield_Road,_Menlo_Park,_San_Mateo_HAER_CAL,41-MENPA,5-31.tif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/SCIENTIST_BRENT_DALRYMPLE_ADJUSTING_MASS_SPECTROMETER_VACUUM_FLIGHT_TUBE%2C_1971._-_U.S._Geological_Survey%2C_Rock_Magnetics_Laboratory%2C_345_Middlefield_Road%2C_Menlo_Park%2C_San_Mateo_HAER_CAL%2C41-MENPA%2C5-31.tif/lossy-page1-220px-thumbnail.tif.jpg" decoding="async" width="220" height="275" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/SCIENTIST_BRENT_DALRYMPLE_ADJUSTING_MASS_SPECTROMETER_VACUUM_FLIGHT_TUBE%2C_1971._-_U.S._Geological_Survey%2C_Rock_Magnetics_Laboratory%2C_345_Middlefield_Road%2C_Menlo_Park%2C_San_Mateo_HAER_CAL%2C41-MENPA%2C5-31.tif/lossy-page1-330px-thumbnail.tif.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b6/SCIENTIST_BRENT_DALRYMPLE_ADJUSTING_MASS_SPECTROMETER_VACUUM_FLIGHT_TUBE%2C_1971._-_U.S._Geological_Survey%2C_Rock_Magnetics_Laboratory%2C_345_Middlefield_Road%2C_Menlo_Park%2C_San_Mateo_HAER_CAL%2C41-MENPA%2C5-31.tif/lossy-page1-440px-thumbnail.tif.jpg 2x" data-file-width="4037" data-file-height="5048" /></a></span><div class="infobox-caption">Brent Dalrymple adjusting mass spectrometer vacuum flight tube, 1971</div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><span style="display:none"> (<span class="bday">1937-05-09</span>) </span>May 9, 1937<span class="noprint ForceAgeToShow"> (age 87)</span><br /><div style="display:inline" class="birthplace"><a href="/wiki/Alhambra,_California" title="Alhambra, California">Alhambra, California</a></div></td></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">Known for</th><td class="infobox-data">Research regarding the history of <a href="/wiki/Earth%27s_magnetic_field" title="Earth's magnetic field">Earth's magnetic field</a> and <a href="/wiki/Radiometric_dating" title="Radiometric dating">radiometric dating</a></td></tr><tr><th scope="row" class="infobox-label">Spouse</th><td class="infobox-data">Sharon<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></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data">Fellow of the <a href="/wiki/American_Geophysical_Union" title="American Geophysical Union">American Geophysical Union</a> since 1975, and was the organization's president from 1990 to 1992; received an honorary doctorate from <a href="/wiki/Occidental_College" title="Occidental College">Occidental College</a> in 1993</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/Geology" title="Geology">Geology</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Thesis" title="Thesis">Thesis</a></th><td class="infobox-data"><i><a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/9680380">Potassium-argon dates and the Cenozoic chronology of the Sierra Nevada, California</a></i> <span style="font-size:97%;">(1963)</span></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Gary Brent Dalrymple</b> (born May 9, 1937) is an American <a href="/wiki/Geologist" title="Geologist">geologist</a>, author of <i>The Age of the Earth</i> and <i>Ancient Earth, Ancient Skies</i>, and <a href="/wiki/National_Medal_of_Science" title="National Medal of Science">National Medal of Science</a> winner.<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> </p><p>He was born in <a href="/wiki/Alhambra,_California" title="Alhambra, California">Alhambra, California</a>. After receiving a <a href="/wiki/Ph.D." class="mw-redirect" title="Ph.D.">Ph.D.</a> from <a href="/wiki/University_of_California,_Berkeley" title="University of California, Berkeley">University of California, Berkeley</a>, Dalrymple went to work at the <a href="/wiki/U.S._Geological_Survey" class="mw-redirect" title="U.S. Geological Survey">U.S. Geological Survey</a> (USGS) in <a href="/wiki/Menlo_Park,_California" title="Menlo Park, California">Menlo Park, California</a>. In 1994 he left the USGS to accept a position at <a href="/wiki/Oregon_State_University" title="Oregon State University">Oregon State University</a>, where he served on the faculty until retiring in 2001. He is a member of the <a href="/wiki/United_States_National_Academy_of_Sciences" class="mw-redirect" title="United States National Academy of Sciences">National Academy of Sciences</a>. </p><p>In 2003, Dalrymple was awarded the <a href="/wiki/National_Medal_of_Science" title="National Medal of Science">National Medal of Science</a>.<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> He was presented with the Medal at a ceremony in 2005.<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> </p><p>Since 2013, Dalrymple has been listed on the Advisory Council of the <a href="/wiki/National_Center_for_Science_Education" title="National Center for Science Education">National Center for Science Education</a>.<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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Selected_publications">Selected publications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Brent_Dalrymple&action=edit&section=1" title="Edit section: Selected publications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><div class="side-box metadata side-box-right"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Scholia_logo.svg/40px-Scholia_logo.svg.png" decoding="async" width="40" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Scholia_logo.svg/60px-Scholia_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/32/Scholia_logo.svg/80px-Scholia_logo.svg.png 2x" data-file-width="107" data-file-height="104" /></span></span></div> <div class="side-box-text plainlist"><a href="https://www.wikidata.org/wiki/Wikidata:Scholia" class="extiw" title="d:Wikidata:Scholia">Scholia</a> has an <i>author</i> profile for <i><b><a href="https://iw.toolforge.org/scholia/author/Q909726" class="extiw" title="toolforge:scholia/author/Q909726">Brent Dalrymple</a></b></i>.</div></div> </div> <ul><li><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 id="CITEREFDalrymple1994" class="citation book cs1">Dalrymple, Brent (1994). <i>The Age of the Earth</i>. <a href="/wiki/Stanford_University_Press" title="Stanford University Press">Stanford University Press</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-8047-2331-1" title="Special:BookSources/0-8047-2331-1"><bdi>0-8047-2331-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Age+of+the+Earth&rft.pub=Stanford+University+Press&rft.date=1994&rft.isbn=0-8047-2331-1&rft.aulast=Dalrymple&rft.aufirst=Brent&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDalrymple2004" class="citation book cs1">Dalrymple, Brent (2004). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/ancientearthanci0000dalr"><i>Ancient Earth, ancient skies: the age of Earth and its cosmic surroundings</i></a></span>. <a href="/wiki/Stanford_University_Press" title="Stanford University Press">Stanford University Press</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-8047-4933-7" title="Special:BookSources/0-8047-4933-7"><bdi>0-8047-4933-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Ancient+Earth%2C+ancient+skies%3A+the+age+of+Earth+and+its+cosmic+surroundings&rft.pub=Stanford+University+Press&rft.date=2004&rft.isbn=0-8047-4933-7&rft.aulast=Dalrymple&rft.aufirst=Brent&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fancientearthanci0000dalr&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAllanDoellDalrymple1963" class="citation journal cs1"><a href="/wiki/Allan_V._Cox" title="Allan V. Cox">Allan, Cox</a>; <a href="/wiki/Richard_Doell" title="Richard Doell">Doell, Richard R.</a>; Dalrymple, G. Brent (15 June 1963). "Geomagnetic Polarity Epochs and Pleistocene Geochronometry". <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>. <b>198</b> (4885): 1049–1051. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1963Natur.198.1049C">1963Natur.198.1049C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F1981049a0">10.1038/1981049a0</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:4180105">4180105</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Geomagnetic+Polarity+Epochs+and+Pleistocene+Geochronometry&rft.volume=198&rft.issue=4885&rft.pages=1049-1051&rft.date=1963-06-15&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A4180105%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1038%2F1981049a0&rft_id=info%3Abibcode%2F1963Natur.198.1049C&rft.aulast=Allan&rft.aufirst=Cox&rft.au=Doell%2C+Richard+R.&rft.au=Dalrymple%2C+G.+Brent&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" class="Z3988"></span></li></ul> <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=Brent_Dalrymple&action=edit&section=2" 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"><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.e-education.psu.edu/earth520/node/1775">"G. Brent Dalrymple"</a>. <i><a href="/wiki/Pennsylvania_State_University" title="Pennsylvania State University">Pennsylvania State University</a></i>. 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">27 January</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Pennsylvania+State+University&rft.atitle=G.+Brent+Dalrymple&rft.date=2012&rft_id=https%3A%2F%2Fwww.e-education.psu.edu%2Fearth520%2Fnode%2F1775&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" 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 id="CITEREFLubick2005" class="citation journal cs1">Lubick, Naomi (April 2005). <a rel="nofollow" class="external text" href="http://www.agiweb.org/geotimes/apr05/profiles.html">"G. Brent Dalrymple: Deep time in a tarpaper shack"</a>. <i>Geotimes</i><span class="reference-accessdate">. Retrieved <span class="nowrap">6 March</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Geotimes&rft.atitle=G.+Brent+Dalrymple%3A+Deep+time+in+a+tarpaper+shack&rft.date=2005-04&rft.aulast=Lubick&rft.aufirst=Naomi&rft_id=http%3A%2F%2Fwww.agiweb.org%2Fgeotimes%2Fapr05%2Fprofiles.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" 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://www.nsf.gov/od/nms/recip_details.cfm?recip_id=5000000000424">"National Science Foundation - The President's National Medal of Science"</a>. <a href="/wiki/National_Science_Foundation" title="National Science Foundation">National Science Foundation</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2014-07-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=National+Science+Foundation+-+The+President%27s+National+Medal+of+Science&rft.pub=National+Science+Foundation&rft_id=https%3A%2F%2Fwww.nsf.gov%2Fod%2Fnms%2Frecip_details.cfm%3Frecip_id%3D5000000000424&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" 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 news cs1"><a rel="nofollow" class="external text" href="http://ncse.com/news/2005/02/ncse-supporter-dalrymple-receives-national-medal-science-00781">"NCSE Supporter Dalrymple receives National Medal of Science"</a>. <a href="/wiki/National_Center_for_Science_Education" title="National Center for Science Education">National Center for Science Education</a>. February 16, 2005<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-05-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=NCSE+Supporter+Dalrymple+receives+National+Medal+of+Science&rft.date=2005-02-16&rft_id=http%3A%2F%2Fncse.com%2Fnews%2F2005%2F02%2Fncse-supporter-dalrymple-receives-national-medal-science-00781&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" 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://web.archive.org/web/20130810112828/https://ncse.com/about/advisory-council">"Advisory Council"</a>. <i>ncse.com</i>. <a href="/wiki/National_Center_for_Science_Education" title="National Center for Science Education">National Center for Science Education</a>. Archived from <a rel="nofollow" class="external text" href="https://ncse.com/about/advisory-council">the original</a> on 2013-08-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-10-30</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ncse.com&rft.atitle=Advisory+Council&rft_id=https%3A%2F%2Fncse.com%2Fabout%2Fadvisory-council&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABrent+Dalrymple" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Sources">Sources</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Brent_Dalrymple&action=edit&section=3" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.agu.org/about/governance/leadership/pastpres_bios_1980-2000.shtml">American Geophysical Union</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20120120041153/http://www.agu.org/about/governance/leadership/pastpres_bios_1980-2000.shtml">Archived</a> 2012-01-20 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (includes photo)</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=Brent_Dalrymple&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1235681985"><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/34px-Wikiquote-logo.svg.png" decoding="async" width="34" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/51px-Wikiquote-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/68px-Wikiquote-logo.svg.png 2x" data-file-width="300" data-file-height="355" /></span></span></div> <div class="side-box-text plainlist">Wikiquote has quotations related to <i><b><a href="https://en.wikiquote.org/wiki/Special:Search/Brent_Dalrymple" class="extiw" title="q:Special:Search/Brent Dalrymple">Brent Dalrymple</a></b></i>.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="https://www.aip.org/history-programs/niels-bohr-library/oral-histories/46964">Oral history interview transcript with Brent Dalrymple on 7 June 2021, American Institute of Physics, Niels Bohr Library & Archives</a></li> <li><a rel="nofollow" class="external text" href="http://ncse.com/rncse/28/2/review-natural-history-time">A Natural History of Time</a> by Brent Dalrymple</li> <li><a rel="nofollow" class="external text" href="http://scarc.library.oregonstate.edu/oh150/dalrymple/index.html">Brent Dalrymple Oral History Interview</a></li></ul> <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 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