National Museum of Nuclear Science & History
Jano Haley worked on the Manhattan Project at Los Alamos. He was married to Ruth Haley, who also worked at Los Alamos.
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
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.