National Museum of Nuclear Science & History
B. G. Seitz worked for the United States Engineer District Office.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
Bruno Rossi (1908-1993) was an Italian physicist. Rossi was a promising young scientist when his career was redirected by politics.