National Museum of Nuclear Science & History
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.
Williamson worked at the 300 Area at Hanford during the Manhattan Project.
Harry Allen worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
