This is one of a series of photographic material in print, negative and/or digital formats covering CSIRAC machine and the people associated with it. The series was acquired from the University of Melbourne in 2003.

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John Spencer (left) in front of CSIRAC at Museum Victoria. In 1998 John wrote an emulator for CSIRAC to run on a modern personal computer and used it to simulate CSIRAC programs. He played a major part in recreating music first generated on CSIRAC in the early 1950s and collaborated with Paul Doornbusch to simulate the early "sounds of CSIRAC". (l-r ) John Spencer, Ron Bowles, Jurij Semkiw. 26 November 1999.

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