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Richard D. Greenblatt,
an American computer programmer, along with Bill Gosper considered the co-founder of the hacker community [1] . At MIT, working for the Project MAC (Machine-Aided Cognition), he was the main implementor of Maclisp on the PDP-6 and co-developer of the ITS (Incompatible Timesharing System), the operating system on which MacLisp was developed.

Richard Greenblatt was primary author of The Greenblatt Chess Program in 1966 and 1967, and along with Tom Knight, main designer of the 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 Lisp Machines, Inc. to build and sell Lisp machines, competing with Symbolics, a company founded by his former MIT AI Lab fellows around Russell Noftsker [2], Tom Knight and Jack Holloway. Lisp Machines, Inc. went bankrupt in 1987.
Richard Greenblatt [3]

Photos

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Tom Knight and Richard Greenblatt (right) [4] [5]

Selected Publication


External Links


References

  1. ^ Hackers: Heroes of the Computer Revolution
  2. ^ User:Russell Noftsker from Wikipedia
  3. ^ Oral History of Richard Greenblatt Video from The Computer History Museum
  4. ^ Richard Greenblatt and Thomas Knight with the CADR LISP Machine at MIT, Courtesy of MIT, from The Computer History Museum
  5. ^ Moby Memory by Lawrence J. Krakauer
  6. ^ Richard Greenblatt: "Wedgitude is not an accepted English word. It is a bit of hacker jargon, coined, I believe, by the famous hacker Bill Gosper. We say a system is 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".

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