National Museum of Nuclear Science & History
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.
Hugo Griep served in the 1395th Military Police Company, Aviation.
Herbert R. Anderson was a staff member at Los Alamos during the Manhattan Project.