National Museum of Nuclear Science & History
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
Herman Blair worked for Clinton Laboratories at the X-10 Reactor.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
