National Museum of Nuclear Science & History
W. S. Freeman worked for the J.A. Jones Construction Company.
Ingri Prestbo worked for the United States Engineer District Office.
Harry Petcher's flat feet meant he couldn't be drafted, but still had an obligation to work for the war effort.
Elsie (Blumer) McMillan lived at Los Alamos during the Manhattan Project. Her husband, Edwin McMillan, was a physicist who worked on implosion at Los Alamos.