National Museum of Nuclear Science & History
A. Roach worked for the United States Engineer District Office.
Fred Utzman worked for the Edenfield Electric Company.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert M. Haider served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
