National Museum of Nuclear Science & History
H.W. was a consultant at Metallurgical Laboratory in Chicago during the Manhattan Project.
Chipman worked in the United States Engineer District Office.
Harold Butterfield served in the 1st Ordnance Squadron.
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.