Richard Greenblatt By ivalentine Dec 25, 1944 Greenblatt is born Period: Jan 1, 1952 to Dec 31, 1957 Greenblatt learns to play chess during this timeframe Sep 22, 1962 Greenblatt arrives at MIT--Fall 1962 Dec 25, 1962 Greenblatt begins hanging around TRMC near this time Jan 1, 1963 Greenblatt implements Maclisp on the PDP-6 this year Link: Sep 22, 1964 Greenblatt flunks out of MIT around this time Jan 1, 1966 Greenblat's MacHack beats Hubert Dreyfus around this time Nov 28, 1966 Greenblatt gets Merton from the hospital, they become friends Jan 1, 1967 Greenblatt and Nelson write ITS this year Feb 1, 1967 Mac Hack chess program plays first tournament this month Link: Dec 7, 1972 Greenblatt one of the few hackers to stay at MIT Jan 1, 1978 Designs the MIT Lisp machine with Tom Knight this year Jan 1, 1979 Lisp Machine Lisp, decendant of Maclisp, near this year Feb 15, 1979 Lisp Machines, Inc starts around this time Jan 1, 1984 Common Lisp, improved successor of Maclisp made this year