Clearly a smart guy in a nation producing lots of math whizzes (from Intel's Andy Grove to the H-bomb's Edward Teller), Simonyi won entry into the Hungarian state university at age 17.
Macmillan realised that if the American Congress knew that the fire had been the result of reckless decisions taken to try to produce the-H bomb, they might veto Macmillan and Eisenhower's plans.