Neumann was also, along with his colleagues at the Institute for Advanced Study, inventing most of computer science as we know it today. He had to: in late 1945, after he talked the IAS into letting him build a stored-program computer right there on campus, he'd had nothing to go on except his own incomplete and highly abstract "First Draft" on the EDVAC. In order to turn that abstraction into a working computer, he and his team had been obliged to make up the details as they went along. For example: Hardware. Von Neumann had wasted no time putting his team in place. By November 1945 he had
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