1. It was based on the von Neumann architecture of the IAS, developed by John von Neumann.

2. George Boole took Leibniz's binary code and created Boolean algebra, and John von Neumann took Boolean algebra and created the digital computer.

3. Stan Ulam, Richard Feynman and John von Neumann. And it was Von Neumann who said, after the bomb, he was working on something much more important than bombs: he's thinking about computers.