National Museum of Nuclear Science & History
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.
Lionel Ames is an Army and Manhattan Project veteran, who worked at Los Alamos. His is also the brother of Maurice Shapiro, who was a Los Alamos scientist.
Harold E. Young was a staff worker at Los Alamos during the Manhattan Project.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.