National Museum of Nuclear Science & History
L. H. Roberts worked for the H. K. Ferguson Company.
Charles E. Kimber served in the 320th Troop Carrier Squadron.
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.
Roy Bonsib was a research associte at the Metallurgical Laboratory in Chicago during the Manhattan Project.
