National Museum of Nuclear Science & History
H. P. Graves worked in the United States Engineer District Office.
Howard Rosenthal served in the First Ordnance Squadron.
G. C. Henderson 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.