National Museum of Nuclear Science & History
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
W. F. Johnson worked for the J.A. Jones Construction Company.
Elizabeth Wilson was a Master Sergeant in the Women’s Army Corps at Los Alamos during the Manhattan Project.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.