National Museum of Nuclear Science & History
Bill Jessee was a nurse at the Los Alamos hospital.
McCampbell worked for Stone and Webster Engineering Corporation.
Henry Linschitz worked in Project Alberta, which transported and assembled the Little Boy and Fat Man atomic bombs.
Hans von Halban (1908-1964) was an Austrian physicist. Being of Jewish descent, Halban left Austria in 1935 to avoid persecution by the Nazi regime.