National Museum of Nuclear Science & History
Cody worked in the United States Engineer District Office.
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.
Andrew Walker was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
