National Museum of Nuclear Science & History
R. O. Mitchell worked for the Roane-Anderson Company.
Steve C. Lizak served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.
H. Swafford served in the 390th Air Service Group.
Dominick Itzi was stationed at Los Alamos with the Provisional Engineer Detachment (PED) from 1944 to 1946.