National Museum of Nuclear Science & History
D. L. Donavan worked for the Roane-Anderson Company.
K.W. "Wally" Greager began working at Hanford in late 1951 after graduating from college. He worked on various projects at Hanford, including with the B Reactor there and the process of irraditating the fuel in the tubes in the reactor.
W. B. Hembree worked for the Roane-Anderson Company.
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.