> 1) A bunch of intellectuals of the higher caliber that could be brought into a single location. A lot of this had to do with the rise of Nazism which led to a

> 1) A bunch of intellectuals of the higher caliber that could be brought into a single location. A lot of this had to do with the rise of Nazism which led to a lot of these high powered intellectuals fleeing Germany and Eastern Europe for the US. It's amusing that this is very much like how the bomb worked. Take fissile material and bring it all together into the same place at the exact same moment so that a chain reaction can occur :-)