National Museum of Nuclear Science & History
Attended the University of Wisconsin.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Sergeant William Barney was a Radar Operator assigned to the Bockscar’s original crew. He was a member of the 393rd Bombardment Squadron, a segment of the 509th Composite Group.
Hans Courant (1924- ) is a German-born, American physicist. After only completing one semester at MIT, the army recruited Hans Courant.