National Museum of Nuclear Science & History
J. C. Ridenour worked for the Roane-Anderson Company.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
