National Museum of Nuclear Science & History
E. A. McCaskill worked for the United States Engineer District Office.
F. C. Pullen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norene Mann was a secretary at the University of Chicago Met Lab. She worked for Nobel laureate James Franck, but often also acted as a secretary for Leo Szilard.
H. C. Seward worked for the Roane-Anderson Company.
