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Joins Tech Model Railroad Club
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Began to hack on the TX-0 computer
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Programmed the TX-0 to play music
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Codified TMRC slang into "An Abridged Dictionary of the TMRC Language’
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Programmed the constellations for Spacewar
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Joins the Digital Equiptment Corporation (DEC)
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Programmed the PDP-6 with complete schedules of the New York subway to win competition
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Joined Sytems Concepts, Inc.
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Programmed the first Chinese-character digital communication system
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Created Sytems Concepts Digital Sythesizer
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Begins working at NASA
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Begins working at Autodesk, Inc.
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Received first patent for apparatus and method for serializing and validating copies of computer software
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Built a player for the Computer History Museum that plays PDP-1 songs
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Patented the visual watermark