National Museum of Nuclear Science & History
Leonard Blankenship worked for the Roane-Anderson Company.
Warren M. Garrison was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. O. Lawrence worked for the J.A. Jones Construction 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.