National Museum of Nuclear Science & History
Roger Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William D. Biggio served in the 393rd Bombardment Squadron.
Leslie Ritner was a member of the Special Engineer Detachment at Los Alamos. He was among the first engineers sent to Los Alamos from Camp Claiborne, Louisiana in late January 1944, serving for two years before being discharged in the spring of 1946.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
Leo James Rainwater was an American physicist and winner of the 1975 Nobel Prize in Physics. As a graduate student at Columbia University, Rainwater assisted the Manhattan Project through research in the Substitute Alloy Materials (SAM) Lab.
