National Museum of Nuclear Science & History
Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.
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.
Waverly Smith was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
