National Museum of Nuclear Science & History
George A. Ullrich was a chemist who performed analytical research at Clinton Laboratories in Oak Ridge, TN 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.
Elmer G. Grossman served in the 1027th Air Material Squadron.
