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Richard Greenblatt was born on December 25, 1944 in Portland, Oregon.
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Richard Greenblatt enrolled at MIT in the fall of 1962.
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Richard Greenblatt joined the Tech Model Railroad Club at MIT during his second semester.
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During his time in the Tech Model Railroad Club, Richard Greenblatt developed a Fortan Complier program for the PDP-1 computer, which at the time did not have one.
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Richard Greenblatt failed out of MIT due to the amount of time he spent programming the PDP machines.
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After Greenblatt failed out of MIT, he got a job at the AI lab
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Both Richard Greenblatt and Alan Kotok, who was also in the Tech Model Railroad Club, were part of the design time for the PDP-6 Computer.
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Richard Greenblatt was one of the main implementors of the MASCLIP programing language on the PDP-6
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Richard Greenblatt helped develop the Incompatible Timesharing System, a timesharing operating system for the PDP-6 and PDP-10
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Richard Greenblatt wrote the MAC hack, which was the first chess program to beat a human opponent in tournament play.
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Along with Tom Knight, Richard Greenblatt designed the MIT Lisp machine, which was a computer that utilized Lisp as it's software and programming language.
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Bobby Fischer, a chess champion, played three games against Richard Greenblatt's MAC hack and won
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Richard Greenblatt founded Lisp Machines Inc. in Cambridge Massachusetts.
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Richard Greenblatt's accomplishments were recognized in the book "Hackers: Heroes of the Computer Revolution" by Steven Levy.
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Richard Greenblatt is alive to this day, and is 72 years old.