National Museum of Nuclear Science & History
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Oftdahl worked in the 200 West Area at Hanford during the Manhattan project.
Lt. Col. Clyde Mathews was a Public Relations Officer during the Manhattan Project. He worked for Lt.
Stewart worked for Stone and Webster Engineering Corporation.
