National Museum of Nuclear Science & History
Marvin Smith worked for Clinton Laboratories at the X-10 Reactor.
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.
Stanley L. Kieltyka served in the 393rd Bombardment Squadron.
