National Museum of Nuclear Science & History
Holl worked for Stone and Webster Engineering Corporation.
W. J. English worked for the Roane-Anderson Company.
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.
John C. Pfeiffer Jr. served in the 393rd Bombardment Squadron.
Swan Swanson was a staff worker at Los Alamos during the Manhattan Project.
