National Museum of Nuclear Science & History
W. A. Swanson worked for the Union Carbide & Carbon Corporation.
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.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
