National Museum of Nuclear Science & History
G. M. Parrish worked for the Roane-Anderson Company.
John G. Acker served in the 320th Troop Carrier Squadron.
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.
Harris worked in the United States Engineer District Office.
