Bernard Taub Feld (December 21, 1919 – February 19, 1993) was a professor of physics at the Massachusetts Institute of Technology. He helped develop the atomic bomb, and later led an international movement among scientists to banish nuclear weapons.His life could be effectively summed up with the following famous quotation: I was involved in the original sin, and I have spent a large part of my life atoning for it. – Bernard T. Feld