National Museum of Nuclear Science & History
Leonard Blankenship worked for the Roane-Anderson Company.
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.
Robert H. Pratt Jr. served in the 393rd Bombardment Squadron.
Melvin G. Hopkins served in the 1st Ordnance Squadron.