National Museum of Nuclear Science & History
J. J. Morrissey worked for the United States Engineer District Office.
Annibale Muscolo served in the 1st Ordnance Squadron.
Harry Stephon was a gruard and sergeant in the U.S. Army at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. J. Daly worked for the Roane-Anderson Company.
Jim Johnson was an ordnanceman at Los Alamos from 1944 to 1945. He was born on January 8, 1926, and started work at the Naval Ordnance Test Station at China Lake, Califiornia in 1944.