National Museum of Nuclear Science & History
Walter Horne worked on the Manhattan Project as a chemist at the Y-12 Plant in Oak Ridge Tennesee from 1943 to 1945.
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.
George Weisiger worked at Oak Ridge during the Manhattan Project, although it remains unknown what his specific duties were.
