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.
Henry DeWolf Smyth (1898-1986) was an American physicist, diplomat, and bureaucrat. During World War II, Smyth was a member of the National Defense Research Committee’s Uranium Section.
Hubert P. Yockey is an American physicist who studied under J. Robert Oppenheimer at the University of California, Berkeley and worked with him during the Manhattan Project.