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Richard Greenblatt was born in Portland, Oregon on December 25, 1944.
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Richard Greenblatt enrolled in Massachusetts Institute of Technology (MIT) in the fall of 1962.
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Richard Greenblatt joined the Tech Model Railaroad club at MIT his second semester of freshman year where he met Peter Samson.
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"The PDP-1 would become known as the first minicomputer, designed not for huge-number crunch-ing tasks, but for scientific inquiry, mathematical formulation...and hacking" (Levy, 35).
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Richard Greenblatt and Peter Samson wrote a complier program for the Model Railroad called Fortran which was used for the PDP-1 computer.
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Richard Greenblatt and Alan Kotok were both on the design team for the PDP-6 computer. "This mainframe computer was the cornerstone of the AI lab, with its gorgeous instruction set and sixteen sexy registers" (Levy, xii).
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Richard Greenblatt failed out of MIT his first semester of his junior year.
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Richard Greenblatt developed the Maclisp a dialect of the Lisp programming language which is used on PDP-6 computers.
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Richard Greenblatt developed the MacHack VI program at MIT. It is a computer chess program for the DEC PDP-6 computer.
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Richard Greenblatt took a job at a firm called Charles Adams Associates.
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Richard Greenblatt and Tom Knight developed the Incompatible Timesharing System which is an operating system used for the PDP-6 and PDP-10 computers.
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Richard Greenblatt got hired at the Artificial Intelligence Laboratory about six months after working for Charles Adams Associates. "Despite his odd personality traits, the hackers held Greenblatt in awe. He was the way he was because of conscious priorities: he was a hacker, not a socialite, and there was nothing more useful than hacking" (Levy, 64).
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In 1977 in Cambridge, Massachusetts Bobby Fischer and undefeated chess player played three games against Richard Greenblatt's computer program and won every game.
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Richard Greenblatt founded a company called Lisp Machines, Inc. in 1979 which built and sold Lisp Machines. It was headquartered in Cambridge, Massachusetts.
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Richard Greenblatt's accomplishments as a computer programmer were recognized in the book Hackers: Heroes of the Computer Revolution.
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In 1987 Lisp Machines, Inc. went bankrupt.
