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Born in Boston, Massachusetts.
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Joined the Tech Model Railroad Club at MIT and began hacking.
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Co-authored the PDP-1 Lisp 1.5 implementation while still a 17 year old teenager
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As a sophomore at UC Berkeley, he worked on Project Genie, one of the first minicomputer-based timesharing systems, writing most of the operating system’s kernel.
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Contributed to the development of the Interlisp system and the Smalltalk virtual machine at Xerox PARC.
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Earned a Ph.D. in Computer Science from UC Berkeley
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Founded Aladdin Enterprises and created Ghostscript, a free software PostScript and Portable Document Format (PDF) interpreter.
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Received the ACM Software System Award for his work on Interlisp
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Elected a Fellow of the ACM
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Published the famous "Seven Fallacies of Distributed Computing"
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Shifted focus to musical composition full-time