National Museum of Nuclear Science & History
Annen worked for Stone and Webster Engineering Corporation.
Lt. Col. Clyde Mathews was a Public Relations Officer during the Manhattan Project. He worked for Lt.
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.
Donald William Kerst is an American physicist known for his development of the betatron in 1940 and the Water Boiler Reactor at Los Alamos during the Manhattan Project.