National Museum of Nuclear Science & History
W. A. Cone worked for the J.A. Jones Construction Company.
Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Edward G. Velazquez served in 1027th Air Material Squadron.
Fred Lederer worked for the Roane-Anderson Company.
Marjorie Hall Bradner was a secretary at Los Alamos during the Manhattan Project. She was also the wife of Los Alamos physicist Hugh Bradner.