National Museum of Nuclear Science & History
S. M. Luttrell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. M. Ryan worked for the United States Engineer District Office.
Stephen Kasunic was a mechanical engineer. He worked on the Manhattan Project at Los Alamos, as a design engineer in the Weapons Experimental Experimental Physics (W-1) group on the steering committee for the gun-type bomb assembly.