Most of the european scientists went to the already famous US universities, not to Argentina, Brazil or Chile. Europe basically lost every scientist before, dur

Most of the european scientists went to the already famous US universities, not to Argentina, Brazil or Chile. Europe basically lost every scientist before, during or after WW2 to the US. Probably the biggest brain drain in history. e.g. "Operation Paperclip was a secret US intelligence program in which more than 1,600 German scientists, engineers, and technicians, [...]" -Wikipedia