National Museum of Nuclear Science & History
A. J. Schwertfeger worked for Clinton Laboratories at the X-10 Reactor.
W. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Calvin G. Siegle served in the 1027th Air Material Squadron.