National Museum of Nuclear Science & History
Ruth K. (McNunis) Bansch was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
