Enigma Machine
Joins Bletchley Park and begins work on the large-scale problem of German Army and Luftwaffe Enigma.
Role range: 1939-1945
Historical biography archive · Updated 2026-11-03
Gordon Welchman Biography and Timeline
Follow Gordon Welchman through 6 dated historical records for Great Britain.
Gordon Welchman, historical timeline
A chronological timeline drawn from matching World History Database records.
6Distinct records
1 of 1Page
1939–1944Years on this page
1939
1940
Enigma Machine
Takes charge of Hut 6 as it develops industrial-scale attacks on Army and Luftwaffe Enigma.
Role range: 1939-1945
Enigma Machine
Introduces the diagonal board, sharply reducing false stops and making the Bombe far more effective.
Role range: 1939-1945
Enigma Machine
Leads Hut 6 as regular Luftwaffe Enigma reading begins to provide operational intelligence.
Role range: 1939-1945
1943
Enigma Machine
Becomes head of Machine Coordination and Development, overseeing mechanised support for Enigma cryptanalysis.
Role range: 1939-1945
1944
Enigma Machine
Serves as Assistant Director of Machines and Mechanical Devices while Bombe operations continue supporting Enigma exploitation.
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.