Enigma Machine
Breaks several German Naval Enigma messages from late 1938 using the Fort crib method.
Role range: 1939-1945
Historical biography archive · Updated 2026-11-03
Peter Twinn Biography and Timeline
Follow Peter Twinn through 6 dated historical records for Great Britain.
Peter Twinn, historical timeline
A chronological timeline drawn from matching World History Database records.
6Distinct records
1 of 1Page
1940–1944Years on this page
1940
1942
Enigma Machine
Leaves Hut 8 to become deputy to Dilly Knox in the section attacking Abwehr Enigma.
Role range: 1939-1945
Enigma Machine
Works on the specialised Abwehr-Enigma Bombe Funf, installed at Bletchley Park in November.
Role range: 1939-1945
1943
Enigma Machine
Becomes head of the ISK section responsible for cryptanalysis of German Abwehr Enigma.
Role range: 1939-1945
Enigma Machine
Sees the specialised Abwehr-Enigma Bombe Eureka installed as ISK expands mechanised attacks.
Role range: 1939-1945
1944
Enigma Machine
Sees Oracle, the third specialised Twinn-type Bombe for Abwehr Enigma, installed in May.
Role range: 1939-1945
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.