National Museum of Nuclear Science & History
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.
Charles Critchfield (1910-1994) was an American mathematical physicist. In December 1942, he was approached by J.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ray C. Bandy served in the 393rd Bombardment Squadron.
