National Museum of Nuclear Science & History
Kenneth Zimmerman worked for the United States Engineer District Office.
Sir Rudolf Peierls (1907-1995) was a German-born British physicist. In March 1940, Peierls and fellow collegue Otto Frisch co-authored the Frisch-Peierls memorandum, the first technical exposition of a practical atomic weapon.
R. A. Johnston worked for the United States Engineer District Office.
Jane Roberg was an American physicist. She earned a Ph.D. from Duke University and was working at the University of California when she was recruited to work on the Manhattan Project at Los Alamos.