National Museum of Nuclear Science & History
W. A. Swanson worked for the Union Carbide & Carbon Corporation.
Anthony J. (“Tony”) Matz was a procurement officer at the University of Chicago Met Lab. He helped obtain, handle, and move many of the materials for Chicago Pile-1 and witnessed it going critical on December 2, 1942.
McCabe worked for Stone and Webster Engineering Corporation.
Piper worked for Stone and Webster Engineering Corporation.
Leon Cooper served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Next Objective.
