National Museum of Nuclear Science & History
R. C. Hutcherson worked for the J.A. Jones Construction Company.
Edward Czuba was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jas Howard worked for the United States Engineer District Office.
Kenneth L. Cohn was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
