National Museum of Nuclear Science & History
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.
Wuethrich worked for Stone and Webster Engineering Corporation.
Gatlin worked in the United States Engineer District Office.
Lloyd J. Williams was a staff worker at Los Alamos during the Manhattan Project.