National Museum of Nuclear Science & History
Richard Lyon was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Bruner worked in the United States Engineer District Office.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
Arthur J. DiTullio served in the 1027th Air Material Squadron.
