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.
Kurchatov died in 1960, but Sakharov live through all the different design phases of the Hbomb until it was brought down to 26.5 tons and its explosive power was reduced by half.
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.