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Noted as director of the Los Alamos laboratory during the development of the atomic bomb. (1943-45). Director of the institute for advanced study Princeton (1947-66) Biography J. Robert Oppenheimer was born in New York City on April 22, 1904. His father was a German immigrant who had made his fortune importing textiles, and his mother was an American-born painter who had studied in Paris.
By the summer of 1945, Oppenheimer was ready to test the first bomb. On July 16, 1945, at Trinity Site near Alamogordo, New Mexico, scientists of the Manhattan Project readied themselves to watch the detonation of the world's first atomic bomb.The device was affixed to a 100-foot tower and discharged just before dawn.he main assembly plant was built at Los Alamos, New Mexico. Robert Oppenheimer was put in charge of putting the pieces together at Los Alamos. After the final bill was tallied, nearly $2 billion had been spent on research and development of the atomic bomb. The Manhattan Project employed over 120,000 Americans.