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Created page with "'''Home * People * Richard Greenblatt''' File:RichardGreenblatt.JPG|border|right|thumb|Richard Greenblatt <ref>Image captured [http://www.computerhistory.o..."
'''[[Main Page|Home]] * [[People]] * Richard Greenblatt'''
[[File:RichardGreenblatt.JPG|border|right|thumb|Richard Greenblatt <ref>Image captured [http://www.computerhistory.org/chess/orl-433440f03cfe1/ Oral History of Richard Greenblatt] Video from [[The Computer History Museum]]</ref>]]
'''Richard D. Greenblatt''',
an American computer programmer, along with [[Bill Gosper]] considered the co-founder of the [https://en.wikipedia.org/wiki/Hacker_culture hacker] community <ref>[https://en.wikipedia.org/wiki/Hackers:_Heroes_of_the_Computer_Revolution Hackers: Heroes of the Computer Revolution]</ref> . At [[Massachusetts Institute of Technology|MIT]], working for the [https://en.wikipedia.org/wiki/Project_MAC%7CProject Project MAC] (Machine-Aided Cognition), he was the main implementor of [[List#Maclist|Maclisp]] on the [[PDP-6]] and co-developer of the [https://en.wikipedia.org/wiki/Incompatible_Timesharing_System ITS] (Incompatible Timesharing System), the operating system on which MacLisp was developed.
Richard Greenblatt was primary author of [[Mac Hack]] (The Greenblatt Chess Program) in 1966 and [[Timeline#1967|1967]], and along with [https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight] main designer of the [https://en.wikipedia.org/wiki/Lisp_machine MIT Lisp machine]. In 1978 Mac Hack got adapted to the Chess-orientated Processing System [[CHEOPS]], one of the first dedicated hardware approaches in computer chess.
In 1979, Greenblatt founded [https://en.wikipedia.org/wiki/Lisp_Machines Lisp Machines, Inc.] to build and sell [https://en.wikipedia.org/wiki/Lisp_Machines Lisp machines], competing with [https://en.wikipedia.org/wiki/Symbolics Symbolics], a company founded by his former [https://en.wikipedia.org/wiki/AI_Lab MIT AI Lab] fellows around [https://en.wikipedia.org/wiki/Russell_Noftsker Russell Noftsker], [https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight] and [[Jack Holloway]]. Lisp Machines, Inc. went bankrupt in 1987.
=Photos=
[[File:2-4.Greenblatt-Richard_Knight.1978.L02645385.MIT.lg.jpg|none|border|text-bottom]]
[https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight] and Richard Greenblatt (right) <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-431614f64ea3e Richard Greenblatt and Thomas Knight with the CADR LISP Machine at MIT], Courtesy of [[Massachusetts Institute of Technology|MIT]], hosted by [[The Computer History Museum]]</ref> <ref>[http://ljkrakauer.com/LJK/60s/moby.htm Moby Memory] by [[Lawrence J. Krakauer]]</ref>
=Selected Publications=
* Richard Greenblatt, [[Donald Eastlake]], [[Stephen D. Crocker]] ('''1967'''). ''The Greenblatt Chess Program''. Proceedings of the AfiPs Fall Joint Computer Conference, Vol. 31, reprinted ('''1988''') in [[Computer Chess Compendium]], [http://archive.computerhistory.org/projects/chess/related_materials/text/2-4.Greenblatt_Chess_Program/The_Greenblatt_Chess_Program.Greenblatt_Eastlake_Crocker.1967.Fall_Joint_Computer_Conference.062303060.sm.pdf pdf] from [[The Computer History Museum]] or as [http://dspace.mit.edu/handle/1721.1/6176 pdf or ps] from [http://libraries.mit.edu/dspace-mit/ DSpace] at [[Massachusetts Institute of Technology|MIT]]
* [[Donald Eastlake]], Richard Greenblatt, [[Jack Holloway]], [https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight], Stuart Nelson ('''1969'''). ''ITS 1.5 Reference Manual''. [http://dspace.mit.edu/bitstream/handle/1721.1/6165/AIM-161A.pdf pdf]
* [[Hans Berliner]], Richard Greenblatt, [[Jacques Pitrat]], [[Arthur Samuel]], [[David Slate]] ('''1977'''). ''Panel on Computer Game Playing''. [[Conferences#IJCAI1977|IJCAI 1977]], [http://ijcai.org/Past%20Proceedings/IJCAI-77-VOL2/PDF/087.pdf pdf]
* [[John Moussouris]], [[Jack Holloway]], Richard Greenblatt ('''1979'''). ''[http://portal.acm.org/citation.cfm?id=61701.67028 CHEOPS: A Chess-orientated Processing System]''. [http://www.doc.ic.ac.uk/~shm/MI/mi9.html Machine Intelligence 9] ([[Jean Hayes Michie]], [[Donald Michie]] and L.I. Mikulich editors) Ellis Horwood, Chichester, 1979, reprinted ('''1988''') in [[Computer Chess Compendium]]
* Richard Greenblatt ('''1992'''). ''Wedgitude''. [[ICGA Journal#15_4|ICCA Journal, Vol. 15, No. 4]] » [[WCCC 1992#Workshop|WCCC 1992 Workshop]] <ref>Richard Greenblatt: "[https://en.wiktionary.org/wiki/wedgitude Wedgitude] is not an accepted English word. It is a bit of [https://en.wikipedia.org/wiki/Hacker_%28term%29 hacker] jargon, coined, I believe, by the famous hacker [[Bill Gosper]]. We say a system is [https://en.wiktionary.org/wiki/wedge wedged] if there exists a binding, a clashing deep within its bowels, that prevents progress you would otherwise expect. Wedgitude, then, by a well-known English transformation, is the state of being wedged".</ref>
* [[Jaap van den Herik]] ('''1992'''). ''An Interview with Richard D. Greenblatt''. [[ICGA Journal#15_4|ICCA Journal, Vol. 15, No. 4]], [https://pure.uvt.nl/portal/files/1241899/Inter_ICCA_newsletter_vol_15_no_4.pdf pdf]
=External Links=
* [https://en.wikipedia.org/wiki/Richard_Greenblatt_%28programmer%29 Richard Greenblatt from Wikipedia]
* [http://www.computerhistory.org/chess/orl-433440f03cfe1/ Oral History of Richard Greenblatt] Video from [[The Computer History Museum]]
* [http://archive.computerhistory.org/resources/text/Oral_History/Greenblatt_Richard/greenblatt.oral_history_transcript.2005.102657935.pdf Oral History of Richard Greenblatt] (pdf) from [[The Computer History Museum]]
* [http://www.softwarepreservation.org/projects/LISP/ History of LISP] from [http://www.softwarepreservation.org/ The Software Preservation Group] of [[The Computer History Museum]]
* [http://www.computerhistory.org/chess/main.php?sec=thm-42b86c2029762&sel=thm-42b86c7bdbaf1 Opening Moves: Origins of Computer Chess, Getting Going] from [[The Computer History Museum]]
* [http://www.gnu.org/gnu/rms-lisp.html Transcript] of [https://en.wikipedia.org/wiki/Richard_Stallman Richard Stallman's] Speech, 28 Oct 2002, at the [http://www.international-lisp-conference.org/2009/index International Lisp Conference]
=References=
<references />
'''[[People|Up one level]]'''
[[File:RichardGreenblatt.JPG|border|right|thumb|Richard Greenblatt <ref>Image captured [http://www.computerhistory.org/chess/orl-433440f03cfe1/ Oral History of Richard Greenblatt] Video from [[The Computer History Museum]]</ref>]]
'''Richard D. Greenblatt''',
an American computer programmer, along with [[Bill Gosper]] considered the co-founder of the [https://en.wikipedia.org/wiki/Hacker_culture hacker] community <ref>[https://en.wikipedia.org/wiki/Hackers:_Heroes_of_the_Computer_Revolution Hackers: Heroes of the Computer Revolution]</ref> . At [[Massachusetts Institute of Technology|MIT]], working for the [https://en.wikipedia.org/wiki/Project_MAC%7CProject Project MAC] (Machine-Aided Cognition), he was the main implementor of [[List#Maclist|Maclisp]] on the [[PDP-6]] and co-developer of the [https://en.wikipedia.org/wiki/Incompatible_Timesharing_System ITS] (Incompatible Timesharing System), the operating system on which MacLisp was developed.
Richard Greenblatt was primary author of [[Mac Hack]] (The Greenblatt Chess Program) in 1966 and [[Timeline#1967|1967]], and along with [https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight] main designer of the [https://en.wikipedia.org/wiki/Lisp_machine MIT Lisp machine]. In 1978 Mac Hack got adapted to the Chess-orientated Processing System [[CHEOPS]], one of the first dedicated hardware approaches in computer chess.
In 1979, Greenblatt founded [https://en.wikipedia.org/wiki/Lisp_Machines Lisp Machines, Inc.] to build and sell [https://en.wikipedia.org/wiki/Lisp_Machines Lisp machines], competing with [https://en.wikipedia.org/wiki/Symbolics Symbolics], a company founded by his former [https://en.wikipedia.org/wiki/AI_Lab MIT AI Lab] fellows around [https://en.wikipedia.org/wiki/Russell_Noftsker Russell Noftsker], [https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight] and [[Jack Holloway]]. Lisp Machines, Inc. went bankrupt in 1987.
=Photos=
[[File:2-4.Greenblatt-Richard_Knight.1978.L02645385.MIT.lg.jpg|none|border|text-bottom]]
[https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight] and Richard Greenblatt (right) <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-431614f64ea3e Richard Greenblatt and Thomas Knight with the CADR LISP Machine at MIT], Courtesy of [[Massachusetts Institute of Technology|MIT]], hosted by [[The Computer History Museum]]</ref> <ref>[http://ljkrakauer.com/LJK/60s/moby.htm Moby Memory] by [[Lawrence J. Krakauer]]</ref>
=Selected Publications=
* Richard Greenblatt, [[Donald Eastlake]], [[Stephen D. Crocker]] ('''1967'''). ''The Greenblatt Chess Program''. Proceedings of the AfiPs Fall Joint Computer Conference, Vol. 31, reprinted ('''1988''') in [[Computer Chess Compendium]], [http://archive.computerhistory.org/projects/chess/related_materials/text/2-4.Greenblatt_Chess_Program/The_Greenblatt_Chess_Program.Greenblatt_Eastlake_Crocker.1967.Fall_Joint_Computer_Conference.062303060.sm.pdf pdf] from [[The Computer History Museum]] or as [http://dspace.mit.edu/handle/1721.1/6176 pdf or ps] from [http://libraries.mit.edu/dspace-mit/ DSpace] at [[Massachusetts Institute of Technology|MIT]]
* [[Donald Eastlake]], Richard Greenblatt, [[Jack Holloway]], [https://en.wikipedia.org/wiki/Tom_Knight_%28scientist%29 Tom Knight], Stuart Nelson ('''1969'''). ''ITS 1.5 Reference Manual''. [http://dspace.mit.edu/bitstream/handle/1721.1/6165/AIM-161A.pdf pdf]
* [[Hans Berliner]], Richard Greenblatt, [[Jacques Pitrat]], [[Arthur Samuel]], [[David Slate]] ('''1977'''). ''Panel on Computer Game Playing''. [[Conferences#IJCAI1977|IJCAI 1977]], [http://ijcai.org/Past%20Proceedings/IJCAI-77-VOL2/PDF/087.pdf pdf]
* [[John Moussouris]], [[Jack Holloway]], Richard Greenblatt ('''1979'''). ''[http://portal.acm.org/citation.cfm?id=61701.67028 CHEOPS: A Chess-orientated Processing System]''. [http://www.doc.ic.ac.uk/~shm/MI/mi9.html Machine Intelligence 9] ([[Jean Hayes Michie]], [[Donald Michie]] and L.I. Mikulich editors) Ellis Horwood, Chichester, 1979, reprinted ('''1988''') in [[Computer Chess Compendium]]
* Richard Greenblatt ('''1992'''). ''Wedgitude''. [[ICGA Journal#15_4|ICCA Journal, Vol. 15, No. 4]] » [[WCCC 1992#Workshop|WCCC 1992 Workshop]] <ref>Richard Greenblatt: "[https://en.wiktionary.org/wiki/wedgitude Wedgitude] is not an accepted English word. It is a bit of [https://en.wikipedia.org/wiki/Hacker_%28term%29 hacker] jargon, coined, I believe, by the famous hacker [[Bill Gosper]]. We say a system is [https://en.wiktionary.org/wiki/wedge wedged] if there exists a binding, a clashing deep within its bowels, that prevents progress you would otherwise expect. Wedgitude, then, by a well-known English transformation, is the state of being wedged".</ref>
* [[Jaap van den Herik]] ('''1992'''). ''An Interview with Richard D. Greenblatt''. [[ICGA Journal#15_4|ICCA Journal, Vol. 15, No. 4]], [https://pure.uvt.nl/portal/files/1241899/Inter_ICCA_newsletter_vol_15_no_4.pdf pdf]
=External Links=
* [https://en.wikipedia.org/wiki/Richard_Greenblatt_%28programmer%29 Richard Greenblatt from Wikipedia]
* [http://www.computerhistory.org/chess/orl-433440f03cfe1/ Oral History of Richard Greenblatt] Video from [[The Computer History Museum]]
* [http://archive.computerhistory.org/resources/text/Oral_History/Greenblatt_Richard/greenblatt.oral_history_transcript.2005.102657935.pdf Oral History of Richard Greenblatt] (pdf) from [[The Computer History Museum]]
* [http://www.softwarepreservation.org/projects/LISP/ History of LISP] from [http://www.softwarepreservation.org/ The Software Preservation Group] of [[The Computer History Museum]]
* [http://www.computerhistory.org/chess/main.php?sec=thm-42b86c2029762&sel=thm-42b86c7bdbaf1 Opening Moves: Origins of Computer Chess, Getting Going] from [[The Computer History Museum]]
* [http://www.gnu.org/gnu/rms-lisp.html Transcript] of [https://en.wikipedia.org/wiki/Richard_Stallman Richard Stallman's] Speech, 28 Oct 2002, at the [http://www.international-lisp-conference.org/2009/index International Lisp Conference]
=References=
<references />
'''[[People|Up one level]]'''
