National Museum of Nuclear Science & History
Andrew Stehney was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. N. Holt worked for the United States Engineer District Office.
Robert Cantrell joined the Manhattan Project in 1943 and worked as an architect for Dr. Walter Zinn’s design group at the University of Chicago.
E. E. Beauchamp worked for Clinton Laboratories at the X-10 Reactor.
