National Museum of Nuclear Science & History
Hart worked at the 300 Area at Hanford during the Manhattan Project.
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.
Nederhood worked at the 300 Area at Hanford during the Manhattan Project.
Joseph King worked for the United States Engineer District Office.