National Museum of Nuclear Science & History
D. C. Moore worked for the United States Engineer District Office.
J. P. Valliant worked for the Union Carbide & Carbon Corporation.
Oscar J. Thigpen served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
