National Museum of Nuclear Science & History
Marcus Laurence Elwin Oliphant (1901-2000) was an Australian physicist who helped push the United States to create an atomic bomb program.
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.