Enigma Machine
Arrives at Bletchley Park and is assigned to Turing's Hut 8 team working on Naval Enigma.
Role range: 1939-1945
Historical biography archive · Updated 2026-11-03
Joan Clarke Biography and Timeline
Follow Joan Clarke through 4 dated historical records for Great Britain.
Joan Clarke, historical timeline
A chronological timeline drawn from matching World History Database records.
4Distinct records
1 of 1Page
1940–1945Years on this page
1940
Enigma Machine
Becomes skilled in Banburismus, reducing the Bombe processing required for Naval Enigma.
Role range: 1939-1945
1941
Enigma Machine
Works in Hut 8 as captured U-boat material helps restore access to German Naval Enigma traffic.
Role range: 1939-1945
1945
Enigma Machine
Remains in Hut 8 through the end of the European war, continuing work on German Naval Enigma.
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.