National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Michael G. Bohon served as a sergeant in the 393rd Bombardment Squadron. He was the radar operator regularly assigned to the B-29 Next Objective.
C. Heim worked for the Watson-Flagg Engineering Company.
Gioacchino Failla was an Italian-American physicist who served as a consultant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leo A. Ohlinger was a senior engineer at the University of Chicago Met Lab. Ohlinger was also Section Chief of P-IX, Engineering Physics.