Julius Robert Oppenheimer was brought into the Manhattan Project soon after it began in 1942. While President Roosevelt expressed some hesitation, the U.S. launched the project to explore building ...

Robert Oppenheimer” stood for nothing at all — even though his birth certificate read “Julius Robert Oppenheimer ... Serber to work on the Manhattan Project. The Nazi effect Until ...

The implication that the Nazis could develop extremely powerful weapons prompted President Roosevelt to establish the Manhattan Project in 1941. In June 1942, Robert Oppenheimer was appointed its ...

However, they lacked the scientists needed to develop the bomb. Groves then called on Julius Robert Oppenheimer to lead the ...