National Museum of Nuclear Science & History
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
Joanna Brumfiel was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
