National Museum of Nuclear Science & History
Ross Gunn was an American physicist and engineer who aided in the development of isotope separation methods during the Manhattan Project.
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.
R. W. McKee worked for the Tennessee Eastman Corporation at the Y-12 Plant.
