National Museum of Nuclear Science & History
Ralph Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Blum worked in the United States Engineer District Office.
Dorothy Pierce was a laboratory assistant in the Chemistry Division at the Chicago Met Lab during the Manhattan Project.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
Grafton worked in the United States Engineer District Office.
