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How many people were part of the Manhattan Project?

April 26, 2017answer Arts History Humanities manhattan people project

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How many people were part of the Manhattan Project?

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J. Robert Oppenheimer scientific director/physicist General Leslie Groves military head of project Enrico Fermi physicist Otto Frisch physicist Neils Bohr physicist Leó Szilárd physicist Edward Teller physicist Albert Einstein consultant/physicist Franklin D. Roosevelt president who ordered it developed Harry S. Truman president who ordered the bombing At its peak in 1945, the Project employed over 130,000 people, and cost a total of nearly $2 billion USD ($20 billion in 2004 dollars based on CPI.