Frank Birch Biography

Historical biography and chronological timeline for Frank Birch, based on 3 World History Database records associated with Great Britain.

3 records1939–19421 events2 places

Chronological biography

1939

Enigma MachineSeptember 1939

Warfare / World War, 2nd · Bletchley Park

Rejoins GC&CS as head of the German Naval subsection, whose principal cipher challenge is Naval Enigma.

1941

Enigma Machine1941

Warfare / World War, 2nd · Bletchley Park

Becomes head of the GC&CS Naval Section as Naval Enigma assumes growing importance in the Atlantic.

1942

Enigma MachineOctober 1942

Warfare / World War, 2nd · Washington

Travels to Washington and helps negotiate full collaboration with the U.S. Navy on communications intelligence.

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.