National Museum of Nuclear Science & History
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.
Anthony D. Capua, Jr. served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned as an assistant engineer/scanner in the Up An’ Atom, but did not fly in that plane in the August 1945 bombing missions on Hiroshima and Nagasaki.