National Museum of Nuclear Science & History
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.
Marselis Powell worked for the Union Carbide & Carbon Corporation.
Floyd W. Kemner served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the regularly assigned flight engineer for the Big Stink, and he and his crew were later reassigned to Luke the Spook.