National Museum of Science / Society Picture Library / /
Organization
German military / German Air Force / Government Code and Cypher School / British Intelligence / Italian Navy / Naval Intelligence / Codebreaking and Signals Intelligence / German Army / Oxford University / German Navy / /
Person
Alan Stripp / Frank Birch / Type / Jack Copeland / Hugh Sinclair / Peter Twinn / Harold Keen / Dustin A. Barrett / Chamberlain / Ralph Erskine / Gordon Welchman / Arthur Scherbius / Alastair Denniston / Turing Joins / Frank Adcock / /
Position
King / Professor / Director / Commander / Admiral / oYcial historian / General / Head / assistant / engineer / /