National Museum of Nuclear Science & History
Grace Wallace worked for the United States Engineer District Office.
Evelyn O. Gaston was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
Keplinger worked in the 100 D Area at Hanford during the Manhattan Project.
