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Available in 23 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-23" 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">23 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%88%D8%B1%D9%86%D9%88%D9%83" title="جون ورنوك – Arabic" lang="ar" hreflang="ar" data-title="جون ورنوك" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D9%88%D8%A7%D8%B1%D9%86%D8%A7%DA%A9" title="جان وارناک – South Azerbaijani" lang="azb" hreflang="azb" data-title="جان وارناک" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/John_Warnock" title="John Warnock – Catalan" lang="ca" hreflang="ca" data-title="John Warnock" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/John_Warnock" title="John Warnock – Welsh" lang="cy" hreflang="cy" data-title="John Warnock" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/John_Warnock" title="John Warnock – German" lang="de" hreflang="de" data-title="John Warnock" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D9%88%D8%A7%D8%B1%D9%86%D8%A7%DA%A9" title="جان وارناک – Persian" lang="fa" hreflang="fa" data-title="جان وارناک" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/John_Warnock" title="John Warnock – French" lang="fr" hreflang="fr" data-title="John Warnock" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A1%B4_%EC%9B%8C%EB%85%B9" title="존 워녹 – Korean" lang="ko" hreflang="ko" data-title="존 워녹" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8B%D5%B8%D5%B6_%D4%B7%D5%A4%D5%BE%D5%A1%D6%80%D5%A4_%D5%8E%D5%A1%D6%80%D5%B6%D5%B8%D6%84" title="Ջոն Էդվարդ Վարնոք – Armenian" lang="hy" hreflang="hy" data-title="Ջոն Էդվարդ Վարնոք" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/John_Warnock" title="John Warnock – Indonesian" lang="id" hreflang="id" data-title="John Warnock" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/John_Warnock" title="John Warnock – Italian" lang="it" hreflang="it" data-title="John Warnock" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/John_Warnock" title="John Warnock – Malagasy" lang="mg" hreflang="mg" data-title="John Warnock" data-language-autonym="Malagasy" data-language-local-name="Malagasy" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D9%88%D9%88%D8%B1%D9%86%D9%88%D9%83" title="جون وورنوك – Egyptian Arabic" lang="arz" hreflang="arz" data-title="جون وورنوك" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/John_Warnock" title="John Warnock – Dutch" lang="nl" hreflang="nl" data-title="John Warnock" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%83%B3%E3%83%BB%E3%83%AF%E3%83%BC%E3%83%8E%E3%83%83%E3%82%AF" title="ジョン・ワーノック – Japanese" lang="ja" hreflang="ja" data-title="ジョン・ワーノック" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%85%E1%9E%93_%E1%9E%9C%E1%9F%89%E1%9E%93%E1%9E%8E%E1%9E%BB%E1%9E%80" title="ចន វ៉នណុក – Khmer" lang="km" hreflang="km" data-title="ចន វ៉នណុក" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="Khmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/John_Warnock" title="John Warnock – Polish" lang="pl" hreflang="pl" data-title="John Warnock" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/John_Warnock" title="John Warnock – Portuguese" lang="pt" hreflang="pt" data-title="John Warnock" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D0%BE%D1%80%D0%BD%D0%BE%D0%BA,_%D0%94%D0%B6%D0%BE%D0%BD" title="Уорнок, Джон – Russian" lang="ru" hreflang="ru" data-title="Уорнок, Джон" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/John_Warnock" title="John Warnock – Finnish" lang="fi" hreflang="fi" data-title="John Warnock" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/John_Warnock" title="John Warnock – Turkish" lang="tr" hreflang="tr" data-title="John Warnock" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%94%D0%B6%D0%BE%D0%BD_%D0%92%D0%B0%D1%80%D0%BD%D0%BE%D0%BA" title="Джон Варнок – Ukrainian" 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.hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the Northern Irish politician, see <a href="/wiki/Edmond_Warnock" title="Edmond Warnock">Edmond Warnock</a>.</div> <p class="mw-empty-elt"> </p> <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">John Warnock</div></th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:John_Warnock_2008.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/John_Warnock_2008.jpg/220px-John_Warnock_2008.jpg" decoding="async" width="220" height="258" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/John_Warnock_2008.jpg/330px-John_Warnock_2008.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/2/25/John_Warnock_2008.jpg 2x" data-file-width="434" data-file-height="509" /></a></span><div class="infobox-caption">Warnock in 2008</div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><div style="display:inline" class="nickname">John Edward Warnock</div><br /><span style="display:none">(<span class="bday">1940-10-06</span>)</span>October 6, 1940<br /><div style="display:inline" class="birthplace"><a href="/wiki/Salt_Lake_City" title="Salt Lake City">Salt Lake City</a>, Utah, U.S.</div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">August 19, 2023<span style="display:none">(2023-08-19)</span> (aged 82)<br /><div style="display:inline" class="deathplace"><a href="/wiki/Los_Altos,_California" title="Los Altos, California">Los Altos, California</a>, U.S.</div></td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data"><a href="/wiki/University_of_Utah" title="University of Utah">University of Utah</a> (<a href="/wiki/Bachelor_of_Science" title="Bachelor of Science">BS</a>, <a href="/wiki/Master_of_Science" title="Master of Science">MS</a>, <a href="/wiki/Doctor_of_Philosophy" title="Doctor of Philosophy">PhD</a>)</td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><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="plainlist"> <ul><li><a href="/wiki/Adobe_Systems" class="mw-redirect" title="Adobe Systems">Adobe Systems</a></li> <li><a href="/wiki/PostScript" title="PostScript">PostScript</a></li> <li><a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">Portable Document Format</a> (PDF)</li></ul> </div></td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409" /><div class="plainlist" style="margin-left:1em;text-indent:-1em;"> <ul><li><a href="/wiki/ACM_Software_System_Award" title="ACM Software System Award">Software Systems Award</a> (1989, <a href="/wiki/Association_for_Computing_Machinery" title="Association for Computing Machinery">Association for Computing Machinery</a>)</li> <li><a href="/wiki/Edwin_H._Land_Medal" title="Edwin H. Land Medal">Edwin H. Land Medal</a> (2000, <a href="/wiki/Optical_Society_of_America" class="mw-redirect" title="Optical Society of America">Optical Society of America</a>)</li> <li><a href="/wiki/Bodley_Medal" title="Bodley Medal">Bodley Medal</a> (2003, <a href="/wiki/Bodleian_Library" title="Bodleian Library">Bodleian Library</a> at <a href="/wiki/Oxford_University" class="mw-redirect" title="Oxford University">Oxford University</a>)</li> <li><a href="/wiki/Lovelace_Medal" class="mw-redirect" title="Lovelace Medal">Lovelace Medal</a> (2004, <a href="/wiki/British_Computer_Society" title="British Computer Society">British Computer Society</a>)</li> <li>Medal of Achievement (2006, <a href="/wiki/AeA" title="AeA">AeA</a>)</li> <li>Computer Entrepreneur Award (2008, <a href="/wiki/IEEE_Computer_Society" title="IEEE Computer Society">IEEE Computer Society</a>)</li> <li>United States <a href="/wiki/National_Medal_of_Technology_and_Innovation" title="National Medal of Technology and Innovation">National Medal of Technology and Innovation</a> (2009)</li> <li><a href="/wiki/Marconi_Prize" title="Marconi Prize">Marconi Prize</a> (2010)</li></ul> </div></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/Computer_science" title="Computer science">Computer science</a></td></tr><tr><th scope="row" class="infobox-label">Institutions</th><td class="infobox-data">University of Utah</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Doctoral_advisor" title="Doctoral advisor">Doctoral advisor</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409" /><div class="plainlist"> <ul><li><a href="/wiki/David_C._Evans_(computer_scientist)" title="David C. Evans (computer scientist)">David C. Evans</a><sup id="cite_ref-Evans_student_Warnock_1-0" class="reference"><a href="#cite_note-Evans_student_Warnock-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Ivan_Sutherland" title="Ivan Sutherland">Ivan Sutherland</a></li></ul> </div></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>John Edward Warnock</b> (October 6, 1940 – August 19, 2023) was an American <a href="/wiki/Computer_scientist" title="Computer scientist">computer scientist</a>, <a href="/wiki/Invention" title="Invention">inventor</a>, technology businessman, and <a href="/wiki/Philanthropy" title="Philanthropy">philanthropist</a> best known for co-founding <a href="/wiki/Adobe_Systems_Inc." class="mw-redirect" title="Adobe Systems Inc.">Adobe Systems Inc.</a>, the graphics and publishing software company, with <a href="/wiki/Charles_Geschke" title="Charles Geschke">Charles Geschke</a> in 1982.<sup id="cite_ref-Obit_2-0" class="reference"><a href="#cite_note-Obit-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Warnock was President of Adobe for his first two years and chairman and CEO for his remaining sixteen years at the company. Although he retired as CEO in 2001, he continued to co-chair the Adobe Board of Directors with Geschke until 2017. Warnock pioneered the development of graphics, publishing, web and electronic document technologies that have revolutionized the field of publishing and visual communications. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Early_life_and_education">Early life and education</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=1" title="Edit section: Early life and education"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Warnock was born on October 6, 1940, and raised in <a href="/wiki/Salt_Lake_City" title="Salt Lake City">Salt Lake City</a>, Utah.<sup id="cite_ref-WaPoObit_3-0" class="reference"><a href="#cite_note-WaPoObit-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> He failed mathematics in ninth grade before graduating from <a href="/wiki/Olympus_High_School" title="Olympus High School">Olympus High School</a> in 1958;<sup id="cite_ref-Innovator_4-0" class="reference"><a href="#cite_note-Innovator-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> however, Warnock went on to earn a Bachelor of Science degree in mathematics and philosophy, a Doctor of Philosophy degree in electrical engineering (<a href="/wiki/Computer_science" title="Computer science">computer science</a>), and an honorary degree in science, all from the <a href="/wiki/University_of_Utah" title="University of Utah">University of Utah</a>.<sup id="cite_ref-Evans_student_Warnock_1-1" class="reference"><a href="#cite_note-Evans_student_Warnock-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> At the University of Utah he was a member of the Gamma Beta chapter of the <a href="/wiki/Beta_Theta_Pi" title="Beta Theta Pi">Beta Theta Pi</a> fraternity.<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> He also received an honorary degree from the <a href="/wiki/American_Film_Institute" title="American Film Institute">American Film Institute</a>.<sup id="cite_ref-Biancuzzi;_Warden_2009_6-0" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> He lived in the <a href="/wiki/San_Francisco_Bay_Area" title="San Francisco Bay Area">San Francisco Bay Area</a> with his wife Marva M. Warnock, marrying in 1965. Marva is a former partner and <a href="/wiki/Graphic_designer" title="Graphic designer">graphic designer</a> at Marsh Design in <a href="/wiki/Palo_Alto,_California" title="Palo Alto, California">Palo Alto, California</a>, and is known not only for creating the iconic Adobe logo, but also as a designer for nonprofit organizations.<sup id="cite_ref-MoranEye_7-0" class="reference"><a href="#cite_note-MoranEye-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> They have three children.<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> </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=John_Warnock&action=edit&section=2" title="Edit section: Career"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Warnock is known as the creative driving force behind Adobe System's initial software products: <a href="/wiki/PostScript" title="PostScript">PostScript</a>, <a href="/wiki/Adobe_Illustrator" title="Adobe Illustrator">Adobe Illustrator</a>, and the <a href="/wiki/PDF" title="PDF">PDF</a>, and he continued to be involved in new product development throughout his career. "The thing I really enjoy is the invention process. I enjoy figuring out how to do things other people don't know how to do."<sup id="cite_ref-NYT_9-0" class="reference"><a href="#cite_note-NYT-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>Warnock's earliest publication and subject of his master's thesis was his 1964 proof of a theorem solving the <a href="/wiki/Jacobson_radical" title="Jacobson radical">Jacobson radical</a> for row-finite matrices,<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> which was originally posed by the American mathematician <a href="/wiki/Nathan_Jacobson" title="Nathan Jacobson">Nathan Jacobson</a> in 1956.<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> </p><p>In his 1969 doctoral thesis, Warnock invented the <a href="/wiki/Warnock_algorithm" title="Warnock algorithm">Warnock algorithm</a> for <a href="/wiki/Hidden_surface_determination" class="mw-redirect" title="Hidden surface determination">hidden surface determination</a> in <a href="/wiki/Computer_graphics" title="Computer graphics">computer graphics</a>.<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> It works by <a href="/wiki/Recursive_subdivision" class="mw-redirect" title="Recursive subdivision">recursive subdivision</a> of a scene until areas are obtained that are trivial to compute. It solves the problem of rendering a complicated image by avoiding the problem. If the scene is simple enough to compute then it is rendered; otherwise it is divided into smaller parts and the process is repeated.<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> Warnock noted that for this work he received "the dubious distinction of having written the shortest doctoral thesis in University of Utah history".<sup id="cite_ref-Innovator_4-1" class="reference"><a href="#cite_note-Innovator-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The Warnock algorithm solving the hidden surface problem enabled computers to render solid objects at a time when most computer renderings were only line drawings and was featured on the cover of Scientific American in 1970 with accompanying article by <a href="/wiki/Ivan_Sutherland" title="Ivan Sutherland">Ivan Sutherland</a>.<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> </p><p>In 1976, while Warnock worked at <a href="/wiki/Evans_%26_Sutherland" title="Evans & Sutherland">Evans & Sutherland</a>, a <a href="/wiki/Salt_Lake_City" title="Salt Lake City">Salt Lake City</a>–based computer graphics company, the concepts of the <a href="/wiki/PostScript" title="PostScript">PostScript</a> language were seeded.<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> Prior to co-founding Adobe with Geschke, Warnock worked with Geschke at <a href="/wiki/Xerox" title="Xerox">Xerox</a>'s Palo Alto Research Center (<a href="/wiki/Xerox_PARC" class="mw-redirect" title="Xerox PARC">Xerox PARC</a>), where he had started in 1978.<sup id="cite_ref-Register_obit_16-0" class="reference"><a href="#cite_note-Register_obit-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Unable to convince Xerox management of the approach to commercialize the <a href="/wiki/InterPress" class="mw-redirect" title="InterPress">InterPress</a> graphics language for controlling printing on <i>any</i> computer and printer,<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> he and Geschke left Xerox<sup id="cite_ref-Register_obit_16-1" class="reference"><a href="#cite_note-Register_obit-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> to start Adobe in 1982, naming it after <a href="/wiki/Adobe_Creek_(Santa_Clara_County)" title="Adobe Creek (Santa Clara County)">Adobe Creek</a>, which ran behind both their homes.<sup id="cite_ref-WaPoObit_3-1" class="reference"><a href="#cite_note-WaPoObit-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> They initially hired two computer scientists (Bill Paxton and Doug Brotz) and two electronics designers (Tom Boynton and Dan Putnam) from PARC.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> At their new company, they developed from scratch a similar technology, PostScript, and brought it to market for Apple's <a href="/wiki/LaserWriter" title="LaserWriter">LaserWriter</a> in 1985.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Apple,_Inc." class="mw-redirect" title="Apple, Inc.">Apple</a> co-founder <a href="/wiki/Steve_Jobs" title="Steve Jobs">Steve Jobs</a> said: "When that first page came out of the LaserWriter, I was blown away...No one had seen anything like this before. I held this page up in my hand and said, ‘Who will not want that?’ I knew then, as did John, that this was going to have a profound impact."<sup id="cite_ref-WaPoObit_3-2" class="reference"><a href="#cite_note-WaPoObit-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Adobe's PostScript technology made it possible to print high-resolution text and images from a computer, revolutionizing media and making desktop publishing feasible.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>In late 1986, Warnock invented <a href="/wiki/Adobe_Illustrator" title="Adobe Illustrator">Adobe Illustrator</a>, a computer drawing program that used lines and <a href="/wiki/B%C3%A9zier_curve" title="Bézier curve">Bézier curves</a> to render infinitely scalable graphics. He initially developed it to automate many of the manual tasks utilized by his wife, Marva, a graphic designer.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Illustrator was released in early 1987.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>In the spring of 1991, Warnock outlined a system called "Camelot", inventing the <a href="/wiki/Portable_Document_Format" class="mw-redirect" title="Portable Document Format">Portable Document Format</a> (PDF) file-format.<sup id="cite_ref-NYT_9-1" class="reference"><a href="#cite_note-NYT-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> The goal of Camelot was to "effectively capture documents from any application, send electronic versions of these documents anywhere, and view and print these documents on any machines [sic]". Warnock's document contemplated:<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>Imagine if the IPS (Interchange PostScript) viewer is also equipped with text searching capabilities. In this case the user could find all documents that contain a certain word or phrase, and then view that word or phrase in context within the document. Entire libraries could be archived in electronic form...</p></blockquote> <p>The new PDF format, though, was slow to gain industry traction and Warnock noted that "the industry 'did not get it<span style="padding-right:.15em;">'</span>".<sup id="cite_ref-Eve_25-0" class="reference"><a href="#cite_note-Eve-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p><p>One of Adobe's popular <a href="/wiki/Typeface" title="Typeface">typefaces</a>, <a href="/wiki/Warnock_(typeface)" title="Warnock (typeface)">Warnock</a>, is named after him.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>Warnock held twenty patents.<sup id="cite_ref-NYT_9-2" class="reference"><a href="#cite_note-NYT-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> In addition to Adobe Systems, he was or had been on the board of directors at <a href="/wiki/Ebrary" title="Ebrary">ebrary</a>,<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> Hiball,<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Knight-Ridder" class="mw-redirect" title="Knight-Ridder">Knight-Ridder</a>, <a href="/wiki/Octavo_(disambiguation)" class="mw-disambig" title="Octavo (disambiguation)">Octavo Corporation</a>, <a href="/wiki/Netscape_Communications" class="mw-redirect" title="Netscape Communications">Netscape Communications</a>, and <a href="/wiki/Salon_Media_Group" class="mw-redirect" title="Salon Media Group">Salon Media Group</a>.<sup id="cite_ref-Biancuzzi;_Warden_2009_6-1" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Encyclo_30-0" class="reference"><a href="#cite_note-Encyclo-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> Warnock was a past chairman of the <a href="/wiki/Tech_Museum_of_Innovation" class="mw-redirect" title="Tech Museum of Innovation">Tech Museum of Innovation</a> in San Jose.<sup id="cite_ref-Biancuzzi;_Warden_2009_6-2" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> He was on the board of trustees of the <a href="/wiki/American_Film_Institute" title="American Film Institute">American Film Institute</a>, the <a href="/wiki/Sundance_Institute" title="Sundance Institute">Sundance Institute</a> and the <a href="/wiki/Folger_Shakespeare_Library" title="Folger Shakespeare Library">Folger Shakespeare Library</a>.<sup id="cite_ref-Biancuzzi;_Warden_2009_6-3" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Encyclo_30-1" class="reference"><a href="#cite_note-Encyclo-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p><p>His hobbies included photography, <a href="/wiki/Skiing" title="Skiing">skiing</a>, <a href="/wiki/Web_development" title="Web development">web development</a>, painting, <a href="/wiki/Hiking" title="Hiking">hiking</a>, <a href="/wiki/Curator" title="Curator">curation</a> of rare scientific books, and historical <a href="/wiki/Indigenous_peoples_of_the_Americas" title="Indigenous peoples of the Americas">Native American</a> objects.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Philanthropy">Philanthropy</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=3" title="Edit section: Philanthropy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A strong supporter of higher education, Warnock and his wife, Marva, have supported three presidential-endowed chairs in computer science, mathematics, and fine arts at the <a href="/wiki/University_of_Utah" title="University of Utah">University of Utah</a>,<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> and also an endowed chair in medical research at <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a>.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> In 2003, Warnock and his wife donated 200,000 shares of <a href="/wiki/Adobe_Systems" class="mw-redirect" title="Adobe Systems">Adobe Systems</a> (valued at over $5.7 million)<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> to the University of Utah as the main gift for a new engineering building.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> The John E. and Marva M. Warnock Engineering Building was completed in 2007 and houses the <a href="/wiki/Scientific_Computing_and_Imaging_Institute" title="Scientific Computing and Imaging Institute">Scientific Computing and Imaging Institute</a><sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> and the Dean of the <a href="/wiki/University_of_Utah_College_of_Engineering" title="University of Utah College of Engineering">University of Utah College of Engineering</a>.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> John and Marva have also personally assisted with cataract surgeries led by <a href="/wiki/Geoffrey_Tabin" class="mw-redirect" title="Geoffrey Tabin">Geoffrey Tabin</a> on missions to reverse blindness in <a href="/wiki/Least_developed_countries" title="Least developed countries">least developed countries</a>.<sup id="cite_ref-MoranEye_7-1" class="reference"><a href="#cite_note-MoranEye-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> They endowed a chair at the <a href="/wiki/Moran_Eye_Center" title="Moran Eye Center">Moran Eye Center</a>, which supports work to treat preventable blindness in Utah and around the world.<sup id="cite_ref-Obit_2-1" class="reference"><a href="#cite_note-Obit-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> John was also the Founding Chairman of the <a href="/wiki/The_Tech_Interactive" title="The Tech Interactive">Tech Museum of Innovation</a> from 1995 to 1999.<sup id="cite_ref-Obit_2-2" class="reference"><a href="#cite_note-Obit-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Warnock, the commencement speaker for the University of Utah Class of 2020, advised: "The rest of your life is not a spectator sport. Your job in life is to be an active player, to make the world a better place."<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Death">Death</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=4" title="Edit section: Death"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Warnock died in Los Altos, California on August 19, 2023, at the age of 82, from pancreatic cancer.<sup id="cite_ref-NYT_9-3" class="reference"><a href="#cite_note-NYT-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-WaPoObit_3-3" class="reference"><a href="#cite_note-WaPoObit-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Recognition">Recognition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=5" title="Edit section: Recognition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The recipient of numerous scientific and <a href="https://en.wiktionary.org/wiki/technical" class="extiw" title="wikt:technical">technical</a> awards, Warnock won the Software Systems Award from the <a href="/wiki/Association_for_Computing_Machinery" title="Association for Computing Machinery">Association for Computing Machinery</a> in 1989.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> In 1995 Warnock received the <a href="/wiki/University_of_Utah" title="University of Utah">University of Utah</a> Distinguished Alumnus Award and in 1999 he was inducted as a fellow of the <a href="/wiki/Association_for_Computing_Machinery" title="Association for Computing Machinery">Association for Computing Machinery</a>. Warnock was awarded the <a href="/wiki/Edwin_H._Land_Medal" title="Edwin H. Land Medal">Edwin H. Land Medal</a> from the <a href="/wiki/Optical_Society_of_America" class="mw-redirect" title="Optical Society of America">Optical Society of America</a> in 2000.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> In 2002, he was made a fellow of the <a href="/wiki/Computer_History_Museum" title="Computer History Museum">Computer History Museum</a> for "his accomplishments in the commercialization of desktop publishing with Chuck Geschke and for innovations in scalable type, computer graphics and printing."<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Oxford_University" class="mw-redirect" title="Oxford University">Oxford University</a>'s <a href="/wiki/Bodleian_Library" title="Bodleian Library">Bodleian Library</a> bestowed the <a href="/wiki/Bodley_Medal" title="Bodley Medal">Bodley Medal</a> on Warnock in November 2003.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> In 2004, Warnock received the <a href="/wiki/Lovelace_Medal" class="mw-redirect" title="Lovelace Medal">Lovelace Medal</a> from the <a href="/wiki/British_Computer_Society" title="British Computer Society">British Computer Society</a> in London.<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> In October 2006, Warnock—along with Adobe co-founder Charles Geschke—received the <a href="/wiki/American_Electronics_Association" class="mw-redirect" title="American Electronics Association">American Electronics Association</a>'s Annual Medal of Achievement Award, being the first software executives to receive this award. In 2008, Warnock and Geschke received the <a href="/wiki/Computer_Entrepreneur_Award" title="Computer Entrepreneur Award">Computer Entrepreneur Award</a> from the <a href="/wiki/IEEE_Computer_Society" title="IEEE Computer Society">IEEE Computer Society</a> "for inventing PostScript and PDF and helping to launch the desktop publishing revolution and change the way people engage with information and entertainment".<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> In September 2009, Warnock and Geschke were chosen to receive the <a href="/wiki/National_Medal_of_Technology_and_Innovation" title="National Medal of Technology and Innovation">National Medal of Technology and Innovation</a>, one of the nation's highest honors bestowed on scientists, engineers and inventors.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> In 2010, Warnock and Geschke received the <a href="/wiki/Marconi_Prize" title="Marconi Prize">Marconi Prize</a>, an honor specifically for contributions to information science and communications.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup> </p><p>Warnock was a member of the <a href="/wiki/National_Academy_of_Engineering" title="National Academy of Engineering">National Academy of Engineering</a>,<sup id="cite_ref-Biancuzzi;_Warden_2009_6-4" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> the <a href="/wiki/American_Academy_of_Arts_and_Sciences" title="American Academy of Arts and Sciences">American Academy of Arts and Sciences</a>,<sup id="cite_ref-Biancuzzi;_Warden_2009_6-5" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and the <a href="/wiki/American_Philosophical_Society" title="American Philosophical Society">American Philosophical Society</a>.<sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> He received honorary degrees from the <a href="/wiki/University_of_Utah" title="University of Utah">University of Utah</a>,<sup id="cite_ref-Biancuzzi;_Warden_2009_6-6" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> the <a href="/wiki/American_Film_Institute" title="American Film Institute">American Film Institute</a>,<sup id="cite_ref-Biancuzzi;_Warden_2009_6-7" class="reference"><a href="#cite_note-Biancuzzi;_Warden_2009-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/The_University_of_Nottingham" class="mw-redirect" title="The University of Nottingham">The University of Nottingham</a> in the UK.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Rare_Book_Room" title="Rare Book Room">Rare Book Room</a>, digitized first editions of great scientific books, formerly <a href="/wiki/Octavo_(disambiguation)" class="mw-disambig" title="Octavo (disambiguation)">Octavo Corporation</a></li> <li><a href="/wiki/Warnock_algorithm" title="Warnock algorithm">Warnock algorithm</a></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=John_Warnock&action=edit&section=7" 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-Evans_student_Warnock-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Evans_student_Warnock_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Evans_student_Warnock_1-1"><sup><i><b>b</b></i></sup></a></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 id="CITEREFLerner2023" class="citation web cs1">Lerner, Evan (August 21, 2023). <a rel="nofollow" class="external text" href="https://www.price.utah.edu/2023/08/21/remembering-john-warnock">"Remembering John Warnock"</a>. <i>The John and Marcia Price College of Engineering at the University of Utah</i><span class="reference-accessdate">. Retrieved <span class="nowrap">August 22,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+John+and+Marcia+Price+College+of+Engineering+at+the+University+of+Utah&rft.atitle=Remembering+John+Warnock&rft.date=2023-08-21&rft.aulast=Lerner&rft.aufirst=Evan&rft_id=https%3A%2F%2Fwww.price.utah.edu%2F2023%2F08%2F21%2Fremembering-john-warnock&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Warnock" class="Z3988"></span></span> </li> <li id="cite_note-Obit-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Obit_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Obit_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Obit_2-2"><sup><i><b>c</b></i></sup></a></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="https://www.legacy.com/us/obituaries/saltlaketribune/name/john-warnock-obituary?id=52913731">"John Warnock Obituary"</a>. Salt Lake City, Utah: The Salt Lake Tribune. August 24, 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">August 26,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=John+Warnock+Obituary&rft.date=2023-08-24&rft_id=https%3A%2F%2Fwww.legacy.com%2Fus%2Fobituaries%2Fsaltlaketribune%2Fname%2Fjohn-warnock-obituary%3Fid%3D52913731&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Warnock" class="Z3988"></span></span> </li> <li id="cite_note-WaPoObit-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-WaPoObit_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-WaPoObit_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-WaPoObit_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-WaPoObit_3-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRosenwald2023" class="citation news cs1">Rosenwald, Michael S. 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Retrieved <span class="nowrap">July 24,</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Honorary+Degree+for+John+Warnock&rft.pub=University+of+Nottingham&rft.date=2010-07-20&rft_id=http%3A%2F%2Fwww.nottingham.ac.uk%2FComputerScience%2FNews%2Fwarnock.aspx&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Warnock" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=8" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRisen2023" class="citation news cs1">Risen, Clay (August 24, 2023). <a rel="nofollow" class="external text" href="https://www.nytimes.com/2023/08/24/technology/john-warnock-dead.html">"John Warnock, Inventor of the PDF, Dies at 82"</a>. <i>The New York Times</i><span class="reference-accessdate">. Retrieved <span class="nowrap">August 24,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+New+York+Times&rft.atitle=John+Warnock%2C+Inventor+of+the+PDF%2C+Dies+at+82&rft.date=2023-08-24&rft.aulast=Risen&rft.aufirst=Clay&rft_id=https%3A%2F%2Fwww.nytimes.com%2F2023%2F08%2F24%2Ftechnology%2Fjohn-warnock-dead.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Warnock" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRosenwald2023" class="citation news cs1">Rosenwald, Michael S. (August 22, 2023). <a rel="nofollow" class="external text" href="https://www.washingtonpost.com/obituaries/2023/08/22/john-warnock-adobe-ceo-who-led-desktop-publishing-revolution-dies/">"John Warnock, Adobe CEO who led desktop publishing revolution, dies at 82"</a>. <i>The Washington Post</i>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0190-8286">0190-8286</a><span class="reference-accessdate">. Retrieved <span class="nowrap">August 25,</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Washington+Post&rft.atitle=John+Warnock%2C+Adobe+CEO+who+led+desktop+publishing+revolution%2C+dies+at+82&rft.date=2023-08-22&rft.issn=0190-8286&rft.aulast=Rosenwald&rft.aufirst=Michael+S.&rft_id=https%3A%2F%2Fwww.washingtonpost.com%2Fobituaries%2F2023%2F08%2F22%2Fjohn-warnock-adobe-ceo-who-led-desktop-publishing-revolution-dies%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AJohn+Warnock" class="Z3988"></span></li> <li><a rel="nofollow" class="external text" href="https://computerhistory.org/blog/in-memoriam-john-warnock/">Computer History Museum interviews with and oral history videos of Dr. Warnock</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=John_Warnock&action=edit&section=9" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Oral History of John Warnock <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=fB6UvJLKkWI">Part 1</a> <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=mNhzjz3PhK4">Part 2</a> by the Computer History Museum (April 26, 2018) on <a href="/wiki/YouTube" title="YouTube">YouTube</a></li> <li><a rel="nofollow" class="external text" href="https://www.c-span.org/person/?49443">Appearances</a> on <a href="/wiki/C-SPAN" title="C-SPAN">C-SPAN</a></li> <li><a rel="nofollow" class="external text" href="http://www.splendidheritage.com/">Splendid Heritage, a museum of Native American objects and art</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist 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href="/wiki/List_of_Adobe_software" title="List of Adobe software">Software</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Suites</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adobe_Creative_Cloud" title="Adobe Creative Cloud">Creative Cloud</a> (<a href="/wiki/Adobe_Creative_Suite" title="Adobe Creative Suite">Creative Suite</a>)</li> <li><a href="/wiki/Adobe_eLearning_Suite" title="Adobe eLearning Suite">eLearning Suite</a></li> <li><a href="/wiki/Adobe_Experience_Cloud" title="Adobe Experience Cloud">Experience Cloud</a></li> <li><a href="/wiki/Adobe_Technical_Communication_Suite" title="Adobe Technical Communication Suite">Technical Communication Suite</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Desktop</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adobe_Animate" title="Adobe Animate">Animate</a></li> <li><a href="/wiki/Adobe_Acrobat" title="Adobe Acrobat">Acrobat</a></li> <li><a href="/wiki/Adobe_After_Effects" title="Adobe After Effects">After Effects</a></li> <li><a href="/wiki/Adobe_Audition" title="Adobe Audition">Audition</a></li> <li><a href="/wiki/Brackets_(text_editor)" title="Brackets (text editor)">Brackets</a></li> <li><a href="/wiki/Adobe_Digital_Editions" title="Adobe Digital Editions">Digital Editions</a></li> <li><a href="/wiki/Adobe_Director" title="Adobe Director">Director</a></li> <li><a href="/wiki/Adobe_Dreamweaver" title="Adobe Dreamweaver">Dreamweaver</a></li> <li><a href="/wiki/Adobe_Edge" title="Adobe Edge">Edge</a></li> <li><a href="/wiki/Adobe_FrameMaker" title="Adobe FrameMaker">FrameMaker</a></li> <li><a href="/wiki/Adobe_FreeHand" title="Adobe FreeHand">FreeHand</a></li> <li><a href="/wiki/Adobe_Flash_Player" title="Adobe Flash Player">Flash Player</a></li> <li><a href="/wiki/Adobe_Flash_Builder" title="Adobe Flash Builder">Flash Builder</a></li> <li><a href="/wiki/Adobe_GoLive" title="Adobe GoLive">GoLive</a></li> <li><a href="/wiki/Adobe_Illustrator" title="Adobe Illustrator">Illustrator</a></li> <li><a href="/wiki/Adobe_InDesign" title="Adobe InDesign">InDesign</a></li> <li><a href="/wiki/Adobe_Media_Encoder" class="mw-redirect" title="Adobe Media Encoder">Media Encoder</a></li> <li><a href="/wiki/Adobe_Media_Player" title="Adobe Media Player">Media Player</a></li> <li><a href="/wiki/Adobe_Muse" title="Adobe Muse">Muse</a></li> <li><a href="/wiki/Adobe_PageMaker" title="Adobe PageMaker">PageMaker</a></li> <li><a href="/wiki/Adobe_Photoshop" title="Adobe Photoshop">Photoshop</a></li> <li><a href="/wiki/Adobe_Photoshop_Album" class="mw-redirect" title="Adobe Photoshop Album">Photoshop Album</a></li> <li><a href="/wiki/Adobe_Photoshop_Elements" class="mw-redirect" title="Adobe Photoshop Elements">Photoshop Elements</a></li> <li><a href="/wiki/Adobe_Photoshop_Express" class="mw-redirect" title="Adobe Photoshop Express">Photoshop Express</a></li> <li><a href="/wiki/Adobe_Photoshop_Lightroom" class="mw-redirect" title="Adobe Photoshop Lightroom">Photoshop Lightroom</a></li> <li><a href="/wiki/Adobe_Premiere_Pro" title="Adobe Premiere Pro">Premiere Pro</a></li> <li><a href="/wiki/Adobe_Premiere_Elements" class="mw-redirect" title="Adobe Premiere Elements">Premiere Elements</a></li> <li><a href="/wiki/Adobe_Premiere_Express" class="mw-redirect" title="Adobe Premiere Express">Premiere Express</a></li> <li><a href="/wiki/Adobe_Acrobat" title="Adobe Acrobat">Reader</a></li> <li><a href="/wiki/Adobe_Shockwave_Player" title="Adobe Shockwave Player">Shockwave Player</a></li> <li><a href="/wiki/Adobe_Voco" title="Adobe Voco">Voco</a></li> <li><a href="/wiki/Adobe_XD" title="Adobe XD">XD</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Server</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Adobe_LiveCycle" title="Adobe LiveCycle">LiveCycle</a></li> <li><a href="/wiki/Adobe_Flash_Media_Server" class="mw-redirect" title="Adobe Flash Media Server">Flash Media Server</a></li> <li><a href="/wiki/BlazeDS" title="BlazeDS">BlazeDS</a></li> <li><a href="/wiki/Adobe_ColdFusion" title="Adobe ColdFusion">ColdFusion</a></li> <li>JRun</li> <li><a href="/wiki/Apache_Cordova" title="Apache Cordova">PhoneGap Build</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technologies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a 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style="width:1%"><a href="/wiki/List_of_acquisitions_by_Adobe" title="List of acquisitions by Adobe">Acquisitions</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aldus_Corporation" title="Aldus Corporation">Aldus</a></li> <li><a href="/wiki/Aviary_(image_editor)" title="Aviary (image editor)">Aviary</a></li> <li><a href="/wiki/Behance" title="Behance">Behance</a></li> <li><a href="/wiki/Day_Software" class="mw-redirect" title="Day Software">Day Software</a></li> <li><a href="/wiki/Fotolia" class="mw-redirect" title="Fotolia">Fotolia</a></li> <li><a href="/wiki/Livefyre" title="Livefyre">Livefyre</a></li> <li><a href="/wiki/Macromedia" title="Macromedia">Macromedia</a></li> <li><a href="/wiki/Magento" title="Magento">Magento</a></li> <li><a href="/wiki/Marketo" title="Marketo">Marketo</a></li> <li><a href="/wiki/Mixamo" title="Mixamo">Mixamo</a></li> <li><a href="/wiki/OCR_Systems" title="OCR Systems">OCR Systems</a></li> <li><a href="/wiki/Omniture" title="Omniture">Omniture</a></li> <li><a href="/wiki/Scene7" title="Scene7">Scene7</a></li> <li><a href="/wiki/Serious_Magic" title="Serious Magic">Serious Magic</a></li> <li><a href="/wiki/TubeMogul" title="TubeMogul">TubeMogul</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bruce_Chizen" title="Bruce Chizen">Bruce Chizen</a></li> <li><a href="/wiki/Charles_Geschke" title="Charles Geschke">Charles Geschke</a></li> <li><a href="/wiki/Shantanu_Narayen" title="Shantanu Narayen">Shantanu Narayen</a></li> <li><a class="mw-selflink selflink">John Warnock</a></li> <li><a href="/wiki/Del_Yocam" title="Del Yocam">Del Yocam</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" 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