National Museum of Nuclear Science & History
A. J. Schwertfeger worked for Clinton Laboratories at the X-10 Reactor.
Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lewis W. Graves worked for the Roane-Anderson Company.
D. L. DeNeal worked at the 300 Area at Hanford during the Manhattan Project.
