Jewish culture and many Jewish scientists had a significant role in the project. The theoretical physicist Robert Oppenheimer, often considered as the ""father of the atomic bomb"", was chosen to direct the Manhattan Project at Los Alamos National Laboratory in 1942. The physicist Leó Szilárd, that conceived the nuclear chain reaction; Edward Teller, ""the father of the hydrogen bomb"" and Stanislaw Ulam; Eugene Wigner contributed to theory of Atomic nucleus and Elementary particle; Hans Bethe whose work included Stellar nucleosynthesis and was head of the Theoretical Division at the secret Los Alamos laboratory; Richard Feynman, Niels Bohr, Victor Weisskopf and Joseph Rotblat.
Robert Ferguson (physicist) testing of guided missiles. General Electric at Hanford: Ferguson began his career in the nuclear field when he joined General Electric at the Hanford Site, known as the Hanford Works in 1957. He trained and worked as a reactor physicist and reactor operations supervisor at the historic B Reactor, the first full-scale nuclear reactor in the world. The B Reactor produced the plutonium used in the first nuclear detonation test at Alamogordo, New Mexico, and for “The Fat Man” atomic bomb, which was dropped on Nagasaki to end World War II. Chicago Operations Office at Argonne: In 1961, Ferguson joined