National Museum of Nuclear Science & History
F. J. Underwood worked for the Roane-Anderson Company.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
Werner H. Haak was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joel B. Rogers served in the First Ordnance Squadron.
Loew worked in the 300 Area at Hanford during the Manhattan Project.
