National Museum of Nuclear Science & History
C. D. Rich served in the 390th Air Service Group.
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.
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
