National Museum of Nuclear Science & History
Vaughn Wrenn 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.
Arthur Buck was a security guard for the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
Bell worked at the 200 West Area at Hanford during the Manhattan Project.