National Museum of Nuclear Science & History
Raymond Dujack was a young lab technician at the Special Alloyed Materials (SAM) Laboratories at Columbia University.
Evelyn Dunbar was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
Foote worked in the United States Engineer District Office.