National Museum of Nuclear Science & History
J. R. Smith worked for the Roane-Anderson Company.
Katherine Meacham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norene Mann was a secretary at the University of Chicago Met Lab. She worked for Nobel laureate James Franck, but often also acted as a secretary for Leo Szilard.
Heffner worked at the 200 East Area at Hanford during the Manhattan Project.
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.
