National Museum of Nuclear Science & History
Hilda Holzman worked for the United States Engineer District Office.
C. J. Meyer 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.
Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
