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Greg Nelson (computer scientist) - Wikipedia
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searchaux" style="display:none">American computer scientist</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">Greg Nelson</div></th></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data"><div style="display:inline" class="nickname">Charles Gregory Nelson</div><br /><span style="display:none">(<span class="bday">1953-03-27</span>)</span>March 27, 1953</td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">February 2, 2015<span style="display:none">(2015-02-02)</span> (aged 61)</td></tr><tr><th scope="row" class="infobox-label">Education</th><td class="infobox-data">B.A., <a href="/wiki/Harvard_University" title="Harvard University">Harvard University</a> (1976)<br />Ph.D., <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a> (1980)</td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><a href="/wiki/Satisfiability_modulo_theories" title="Satisfiability modulo theories">Satisfiability modulo theories</a><br /><a href="/wiki/Extended_static_checking" title="Extended static checking">Extended static checking</a><br /><a href="/wiki/Program_verification" class="mw-redirect" title="Program verification">Program verification</a><br /><a href="/wiki/Modula-3" title="Modula-3">Modula-3</a> committee<br /><a href="/wiki/ESC/Java" title="ESC/Java">ESC/Java</a> Simplify theorem prover</td></tr><tr><th scope="row" class="infobox-label">Awards</th><td class="infobox-data"><a href="/wiki/Herbrand_Award" title="Herbrand Award">Herbrand Award</a> (2013)</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">Institutions</th><td class="infobox-data"><a href="/wiki/PARC_(company)" title="PARC (company)">Xerox Palo Alto Research Center</a> (PARC)<br /><a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a> (DEC) <a href="/wiki/DEC_Systems_Research_Center" title="DEC Systems Research Center">Systems Research Center</a> (SRC)<br /><a href="/wiki/HP_Labs" title="HP Labs">Hewlett-Packard Labs</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="http://people.eecs.berkeley.edu/~necula/Papers/nelson-thesis.pdf">Techniques for Program Verification</a></i> <span style="font-size:97%;">(1980)</span></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"><a href="/wiki/Robert_Tarjan" title="Robert Tarjan">Robert Tarjan</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Charles Gregory Nelson</b> (27 March 1953 – 2 February 2015) was an American <a href="/wiki/Computer_scientist" title="Computer scientist">computer scientist</a>.<sup id="cite_ref-ObitPaloAlto_1-0" class="reference"><a href="#cite_note-ObitPaloAlto-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ObitHonolulu_2-0" class="reference"><a href="#cite_note-ObitHonolulu-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Biography">Biography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Greg_Nelson_(computer_scientist)&action=edit&section=1" title="Edit section: Biography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Nelson grew up in <a href="/wiki/Honolulu" title="Honolulu">Honolulu</a>. As a boy he excelled at gymnastics and tennis. He attended the University Laboratory School. He received his B.A. degree in mathematics from <a href="/wiki/Harvard_University" title="Harvard University">Harvard University</a> in 1976. He received his Ph.D. in computer science from <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a> in 1980 under the supervision of <a href="/wiki/Robert_Tarjan" title="Robert Tarjan">Robert Tarjan</a>. He lived in <a href="/wiki/Juneau,_Alaska" title="Juneau, Alaska">Juneau, Alaska</a> for a year before settling permanently in the <a href="/wiki/San_Francisco_Bay_Area" title="San Francisco Bay Area">San Francisco Bay Area</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Notable_work">Notable work</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Greg_Nelson_(computer_scientist)&action=edit&section=2" title="Edit section: Notable work"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>His thesis, <i>Techniques for Program Verification</i>,<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> influenced both <a href="/wiki/Program_verification" class="mw-redirect" title="Program verification">program verification</a> and <a href="/wiki/Automated_theorem_proving" title="Automated theorem proving">automated theorem proving</a>, especially in the area now named <a href="/wiki/Satisfiability_modulo_theories" title="Satisfiability modulo theories">satisfiability modulo theories</a>, where he contributed techniques for combining <a href="/wiki/Decision_procedure" class="mw-redirect" title="Decision procedure">decision procedures</a>, as well as efficient decision procedures for quantifier-free constraints in <a href="/wiki/First-order_logic" title="First-order logic">first-order logic</a> and <a href="/wiki/Term_algebra" title="Term algebra">term algebra</a>. He received the <a href="/wiki/Herbrand_Award" title="Herbrand Award">Herbrand Award</a> in 2013:<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> <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>for his pioneering contributions to theorem proving and program verification, such as his seminal work with Derek Oppen on the combination of satisfiability procedures and fast congruence closure algorithms, the development of the highly influential theorem prover Simplify, and his role in the creation of the field of extended static checking.</p></blockquote> <p>He was instrumental in developing the <i>Simplify</i> theorem prover used by <a href="/wiki/ESC/Java" title="ESC/Java">ESC/Java</a>. He made significant contributions in several other areas. He contributed to the field of <a href="/wiki/Programming_language" title="Programming language">programming language</a> design as a member of the <a href="/wiki/Modula-3" title="Modula-3">Modula-3</a> committee. In distributed systems he contributed to Network Objects. He made pioneering contributions with his constraint-based graphics editors (Juno and Juno-2), <a href="/wiki/Windowing_system" title="Windowing system">windowing system</a> (Trestle), optimal <a href="/wiki/Code_generation_(compiler)" title="Code generation (compiler)">code generation</a> (Denali), and multi-<a href="/wiki/Thread_(computing)" title="Thread (computing)">threaded</a> programming (Eraser). </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=Greg_Nelson_(computer_scientist)&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_computer_scientists" title="List of computer scientists">List of computer scientists</a></li> <li><a href="/wiki/List_of_programmers" title="List of programmers">List of programmers</a></li></ul> <div class="mw-heading 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.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="CITEREFPerl2015" class="citation news cs1">Perl, Sharon (February 2015). <a rel="nofollow" class="external text" href="https://www.paloaltoonline.com/obituaries/memorials/greg-nelson?o=4203">"Greg Nelson: 27 March 1953 – 2 February 2015"</a>. <i>Palo Alto Online</i>. <a href="/wiki/Palo_Alto" class="mw-redirect" title="Palo Alto">Palo Alto</a>, California<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-04-15</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Palo+Alto+Online&rft.atitle=Greg+Nelson%3A+27+March+1953+%E2%80%93+2+February+2015&rft.date=2015-02&rft.aulast=Perl&rft.aufirst=Sharon&rft_id=https%3A%2F%2Fwww.paloaltoonline.com%2Fobituaries%2Fmemorials%2Fgreg-nelson%3Fo%3D4203&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGreg+Nelson+%28computer+scientist%29" class="Z3988"></span></span> </li> <li id="cite_note-ObitHonolulu-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-ObitHonolulu_2-0">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPerl2015" class="citation news cs1">Perl, Sharon (March 4, 2015). <a rel="nofollow" class="external text" href="http://obits.staradvertiser.com/2015/03/04/greg-nelson/">"Greg Nelson"</a>. <i>Honolulu Star-Advertiser: Obituaries</i>. <a href="/wiki/Honolulu" title="Honolulu">Honolulu</a>, Hawaii<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-04-15</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Honolulu+Star-Advertiser%3A+Obituaries&rft.atitle=Greg+Nelson&rft.date=2015-03-04&rft.aulast=Perl&rft.aufirst=Sharon&rft_id=http%3A%2F%2Fobits.staradvertiser.com%2F2015%2F03%2F04%2Fgreg-nelson%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGreg+Nelson+%28computer+scientist%29" 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 id="CITEREFNelson1980–1981" class="citation thesis cs1">Nelson, Greg (1980–1981). <a rel="nofollow" class="external text" href="http://people.eecs.berkeley.edu/~necula/Papers/nelson-thesis.pdf"><i>Techniques for Program Verification</i></a> <span class="cs1-format">(PDF)</span>. <i>Department of Electrical Engineering and Computer Sciences</i> (PhD). University of California Berkeley<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-04-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.title=Techniques+for+Program+Verification&rft.inst=University+of+California+Berkeley&rft.date=1980%2F1981&rft.aulast=Nelson&rft.aufirst=Greg&rft_id=http%3A%2F%2Fpeople.eecs.berkeley.edu%2F~necula%2FPapers%2Fnelson-thesis.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGreg+Nelson+%28computer+scientist%29" 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 id="CITEREFMontmirailSutcliffe2013" class="citation news cs1">Montmirail, Valentin; Sutcliffe, Geoff (June 2013). <a rel="nofollow" class="external text" href="http://www.cadeinc.org/Herbrand-Award">"Herbrand Award: for Distinguished Contributions to Automated Reasoning"</a>. <i>Conference on Automated Deduction</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-04-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Conference+on+Automated+Deduction&rft.atitle=Herbrand+Award%3A+for+Distinguished+Contributions+to+Automated+Reasoning&rft.date=2013-06&rft.aulast=Montmirail&rft.aufirst=Valentin&rft.au=Sutcliffe%2C+Geoff&rft_id=http%3A%2F%2Fwww.cadeinc.org%2FHerbrand-Award&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGreg+Nelson+%28computer+scientist%29" 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 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"}.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:Modula,_Oberon" title="Template:Modula, Oberon"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Modula,_Oberon" title="Template talk:Modula, Oberon"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Modula,_Oberon" title="Special:EditPage/Template:Modula, Oberon"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Modula,_Oberon" style="font-size:114%;margin:0 4em"><a href="/wiki/Modula" title="Modula">Modula</a>, <a href="/wiki/Oberon_(programming_language)" title="Oberon (programming language)">Oberon</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Modula</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%"><a href="/wiki/Niklaus_Wirth" title="Niklaus Wirth">By Wirth</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Modula" title="Modula">Modula</a> (1975) → <a href="/wiki/Modula-2" title="Modula-2">Modula-2</a> (1978)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Derivative_work" title="Derivative work">By others</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/Modula-2%2B" title="Modula-2+">Modula-2+</a> (1984)</li> <li><a href="/wiki/Modula-3" title="Modula-3">Modula-3</a> (1988)</li> <li><a href="/wiki/Baby_Modula-3" title="Baby Modula-3">Baby Modula-3</a> (1993)</li> <li><a href="/wiki/Obliq" title="Obliq">Obliq</a> (1993)</li> <li><a href="/wiki/Alma-0" title="Alma-0">Alma-0</a> (1997)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Modula-2#Operating_systems" title="Modula-2">Operating systems</a></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/Lilith_(computer)#Operating_system" title="Lilith (computer)">Medos-2</a> (1983, Knudsen)</li> <li><a href="/wiki/Kronos_(computer)#Operating_system" title="Kronos (computer)">Excelsior</a> (1988, Soviet)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Workstation" title="Workstation">Workstations</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/Lilith_(computer)" title="Lilith (computer)">Lilith</a> (1980, Wirth)</li> <li><a href="/wiki/Kronos_(computer)" title="Kronos (computer)">Kronos</a> (1988, Soviet)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Developers</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%">Organizations</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/ETH_Zurich" title="ETH Zurich">ETH Zurich</a></li> <li><a href="/wiki/Lilith_(computer)" title="Lilith (computer)">Modula Computer Systems</a></li> <li><a href="/wiki/Centrum_Wiskunde_%26_Informatica" title="Centrum Wiskunde & Informatica">Centrum Wiskunde & Informatica</a></li> <li><a href="/wiki/Digital_Equipment_Corporation" title="Digital Equipment Corporation">Digital Equipment Corporation</a> (DEC) <a href="/wiki/DEC_Systems_Research_Center" title="DEC Systems Research Center">Systems Research Center</a> (SRC)</li> <li><a href="/wiki/Acorn_Computers" title="Acorn Computers">Acorn</a> Research Center</li> <li><a href="/wiki/Olivetti" title="Olivetti">Olivetti</a> Research Center (ORC)</li> <li>elego Software Solutions GmbH</li> <li><a href="/wiki/Academy_of_Sciences_of_the_Soviet_Union" title="Academy of Sciences of the Soviet Union">Academy of Sciences of the Soviet Union</a>, <a href="/wiki/Novosibirsk" title="Novosibirsk">Novosibirsk</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-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Niklaus_Wirth" title="Niklaus Wirth">Niklaus Wirth</a></li> <li><a href="/wiki/Mart%C3%ADn_Abadi" title="Martín Abadi">Martín Abadi</a></li> <li><a href="/wiki/Luca_Cardelli" title="Luca Cardelli">Luca Cardelli</a></li> <li><a class="mw-selflink selflink">Greg Nelson</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Oberon</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 id="By_Wirth" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Niklaus_Wirth" title="Niklaus Wirth">By Wirth</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><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Oberon_(programming_language)" title="Oberon (programming language)">Oberon</a> (1987) → <a href="/wiki/Oberon-2" title="Oberon-2">Oberon-2</a> (1991) → <a href="/wiki/Lola_(computing)" title="Lola (computing)">Lola</a> (1995) → <a href="/wiki/Active_Oberon" title="Active Oberon">Active Oberon</a> (1998) → <a href="/wiki/Oberon_(programming_language)#Oberon-07" title="Oberon (programming language)">Oberon-07</a> (2007)</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Operating_system" title="Operating system">Operating systems</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/Oberon_(operating_system)" title="Oberon (operating system)">Oberon System</a> (1987)</li> <li><a href="/wiki/A2_(operating_system)" title="A2 (operating system)">Active Object System (AOS, 2002), Bluebottle (2005), A2</a> (2008)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Workstation" title="Workstation">Workstation</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Ceres_(workstation)" title="Ceres (workstation)">Ceres</a> (1985)</div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Derivative_work" title="Derivative work">By others</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/Object_Oberon" title="Object Oberon">Object Oberon</a> (1989)</li> <li>Oberon/F, <a href="/wiki/BlackBox_Component_Builder" title="BlackBox Component Builder">BlackBox Component Builder</a> (1993)</li> <li><a href="/wiki/Component_Pascal" title="Component Pascal">Component Pascal</a> (1997)</li> <li><a href="/wiki/Zonnon" title="Zonnon">Zonnon</a> (2013)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Developers</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%">Organizations</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/ETH_Zurich" title="ETH Zurich">ETH Zurich</a></li> <li><a href="/wiki/Johannes_Kepler_University_Linz" title="Johannes Kepler University Linz">Johannes Kepler University Linz</a></li> <li><a href="/wiki/BlackBox_Component_Builder" title="BlackBox Component Builder">Oberon microsystems AG</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-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Niklaus_Wirth" title="Niklaus Wirth">Niklaus Wirth</a></li> <li><a href="/wiki/J%C3%BCrg_Gutknecht" title="Jürg Gutknecht">Jürg Gutknecht</a></li> <li><a href="/wiki/Tony_Hoare" title="Tony Hoare">Tony Hoare</a></li> <li><a href="https://de.wikipedia.org/wiki/Hanspeter_M%C3%B6ssenb%C3%B6ck" class="extiw" title="de:Hanspeter Mössenböck">de:Hanspeter Mössenböck</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Modula_programming_language_family" title="Category:Modula programming language family">Category: Modula</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" 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