National Museum of Nuclear Science & History
Mason worked in the 300 Area at Hanford during the Manhattan Project.
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.
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
