National Museum of Nuclear Science & History
J. A. Douglas worked for the Roane-Anderson Company.
E. H. Halbrook worked for the J.A. Jones Construction Company.
Francis J. Schramke served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
Ernest Mekanas was a member of the Provisional Engineering Detachment at Los Alamos. Mekanas was in Los Alamos from 1943 to 1945, working primarily at the post office.