National Museum of Nuclear Science & History
D. R. Johnson worked for the Roane-Anderson Company.
Clarke C. Mathison served in the 320th Troop Carrier Squadron.
Colleen Frahm Lockmiller was a lab technician in the Y-12 Plant at Oak Ridge, Tennessee from 1944 to 1947.
W. F. McDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Eleanor Phillips was a laboratory assistant at the Chicago Met Lab during the Manhattan Project. She worked in Section C-II of the Chemistry Division.