National Museum of Nuclear Science & History
N. B. Newcomb worked for the Kellex Corporation at the K-25 Plant.
Harold H. Richardson served in the 1027th Air Material Squadron.
K. Z. Morgan worked for Clinton Laboratories at the X-10 Reactor.
Arthur Harold Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
