National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John L. Willoughby served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
George Feldman worked for the Roane-Anderson Company.
J. C. Blackerby worked for the Roane-Anderson Company.