National Museum of Nuclear Science & History
John C. Pfeiffer Jr. served in the 393rd Bombardment Squadron.
Floyd E. Ross served in the radar section of the 393rd Bombardment Squadron.
William O. Lang, Jr. served in the 1st Ordnance Squadron.
Ralph Lapp was an American physicist. He was born in Buffalo, New York in 1917. He was completing his PhD at the University of Chicago when he stumbled upon Enrico Fermi’s team working under Stagg’s Field in December of 1942, and was hired on the spot to work on the development of the atomic bomb.