National Museum of Nuclear Science & History
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.
G. W. Johnson worked for the Edenfield Electric Company.
J. R. Anderson worked for the J.A. Jones Construction Company.
Green worked at the 300 Area at Hanford during the Manhattan Project.