National Museum of Nuclear Science & History
M. E. Brennan worked for the Watson-Flagg Engineering Company.
Richard M. Hesse served in the 393rd Bombardment Squadron.
G. C. Darby, Jr. served in the 509th Headquarters and Base Services Squadron.
J. M. Lockmiller worked for the Fercleve Corporation.
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.