National Museum of Nuclear Science & History
Barnes 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.
Joe Nisbett worked for the United States Engineer District Office.
Vaught worked at the 100-D Area at Hanford during the Manhattan Project.