National Museum of Nuclear Science & History
Clingerman worked at the 200 West Area at Hanford 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.
Samual Watson was a machinist from Kirksy, Kentucky employed at Oak Ridge, Tennessee during the Manhattan Project.
