National Museum of Nuclear Science & History
J. E. Parnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Margaret Schelberg was a nurse at Los Alamos during the Manhattan Project. She was married to physicist Arthur Schelberg.
Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.
