National Museum of Nuclear Science & History
Sergeant Ralph Curry was a Radio Operator assigned to the Bockscar’s original crew. He was a member of the 393rd Bombardment Squadron, a segment of the 509th Composite Group.
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.
W. M. Miller worked for the United States Engineer District Office.