National Museum of Nuclear Science & History
Smith worked at the 100-B Area at Hanford during the Manhattan Project.
C. P. Gaither worked for the J.A. Jones Construction 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.
