National Museum of Nuclear Science & History
H. G. Williams worked for Clinton Laboratories at the X-10 Reactor.
Alvin Graves (1909-1965) was an American physicist. Graves was invited to join the University of Chicago Metallurgical Laboratory and in 1942 he accepted the position and became a member of the Manhattan Project.
Valente worked in the 100-D Area at Hanford during the Manhattan Project.