National Museum of Nuclear Science & History
A. L. Davis worked for the J.A. Jones Construction Company.
Thompson worked for Stone and Webster Engineering Corporation.
William H. Rigby worked for the Comstock-Bryant 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.
Hughs worked at the 200 West Area at Hanford during the Manhattan Project.
