Dr. Norman Hilberry obtained his doctorate in physics from the University of Chicago in 1941. During WWII, Hilberry was a physicist and the right-hand man to Arthur H. Compton at the Metallurgical Project (Met Lab) in Chicago. In the interview, Hilberry witnessing the Chicago Pile-1 going critical for the first time, and how this success was presented to a committee to prove an atomic bomb could be created. He explains the differences of opinion of scientists and the military on the number of atomic bombs needed, and how quickly it could be done. Hilberry also elaborates on his own background, as well as on the various personalities of some of the scientists he worked with, including Leo Szilard, Enrico Fermi, Eugene Wigner, and General Leslie R. Groves.