National Museum of Nuclear Science & History
Sidney J. Bellamy served as a corporal in the 393rd Bombardment Squadron. He was regularly assigned to the Necessary Evil as a radar observer, but flew in the Big Stink in the mission to Nagasaki.
John H. Williams (1908-1966) was a Canadian-American physicist. Williams transferred to Los Alamos in early 1943 and was among the first group of scientists to arrive on the Hill.