Enigma Machine
Joins Rejewski and Zygalski in the Polish Cipher Bureau's German-cipher section.
Historical biography archive · Updated 2026-11-03
Jerzy Rozycki Biography and Timeline
Follow Jerzy Rozycki through 3 dated historical records for Poland.
Jerzy Rozycki, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1932–1939Years on this page
1932
1933
Enigma Machine
Develops the clock method for identifying the fast rotor used in Enigma messages.
1939
Enigma Machine
Shares Polish experience of Enigma rotor analysis with the British and French delegations.
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.