National Museum of Nuclear Science & History
William Stephenson worked for the J.A. Jones Construction Company.
G. W. Reed worked for the Union Carbide & Carbon Corporation.
John Moonan was a staff worker at Los Alamos 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.
