National Museum of Nuclear Science & History
Gene Hall worked for the Union Carbide & Carbon Corporation.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Cleo E. Harter served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
R. D. Murray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
