National Museum of Nuclear Science & History
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Salvatore S. Sanfratello served in the 1027th Air Material Squadron.
T. J. Kelly worked for the Kellex Corporation at the K-25 Plant.
Julian Schwinger (1918-1994) was an American theoretical physicist and the 1965 Nobel Prize winner. During the summer of 1943, Schwinger briefly worked on the development of the atomic bomb at the University of Chicago’s Metallurgical Laboratory.