National Museum of Nuclear Science & History
H. W. Blanc worked for the Roane-Anderson Company.
Jack Smith was a staff worker at Los Alamos during the Manhattan Project.
Cordell W. Callahan served in the 1st Ordnance Squadron.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Hollis worked for Stone and Webster Engineering Corporation.