National Museum of Nuclear Science & History
D. P. Hall worked for the J.A. Jones Construction Company.
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.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. W. McCollum worked for the Tennessee Eastman Corporation at the Y-12 Plant.