National Museum of Nuclear Science & History
A. P. Montgomery worked for the Edenfield Electric Company.
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.
Marvin Shelley worked for Clinton Laboratories at the X-10 Reactor.
