Devises a code breaker for breaking Japanese diplomatic code
Devises a code breaker for breaking Japanese diplomatic code
Role range: 1939-1945
Historical biography archive · Updated 2026-11-03
William Friedman Biography and Timeline
Follow William Friedman through 3 dated historical records for United States of America.
William Friedman, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
1941–1941Years on this page
1941
Enigma Machine
Meets Denniston during follow-up Anglo-American cryptanalytic discussions that deepen Enigma cooperation.
Role range: 1939-1945
Invention of Code Breaker
Devises a code breaker for breaking Japanese diplomatic code
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.