National Museum of Nuclear Science & History
Edward Smith was a chemical engineer employed by the civilian contractor Eastman Kodak at the K-25 Plant in Oak Ridge, Tennessee.
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.
E. F. Jameson worked for the Roane-Anderson Company.
Lieutenant Donald Collins was assigned to the University of Chicago's Met Lab in the Health Physics Division.
