National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Green worked in the United States Engineer District Office.
Jas McCarthy worked for the Kellex Corporation at the K-25 Plant.
Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
O. G. Bolin worked for the Tennessee Eastman Corporation at the Y-12 Plant.