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.
Bulletin of the Atomic Scientists to war meant. The "Bulletin" contributors believed the atom bomb would only be the first of many dangers. The aim of the "Bulletin" was to carry out the long, sustained effort of educating people about the realities of the scientific age. The "Bulletin of the Atomic Scientists" seeks to educate citizens, policy makers, scientists, and journalists by providing non-technical, scientifically sound and policy-relevant information about nuclear weapons, climate change, and other global security issues. The "Bulletin" also serves as a reliable, high-quality global forum for diverse international opinions on the best means of reducing reliance on nuclear weapons. Since its