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Historical person

Peter Twinn Biography

Historical biography and chronological timeline for Peter Twinn, based on 6 World History Database records associated with Great Britain.

6 records1940–19441 events1 places

Chronological biography

1940

Enigma MachineMarch 1940
Warfare / World War, 2nd · Bletchley Park

Breaks several German Naval Enigma messages from late 1938 using the Fort crib method.

1942

Enigma MachineJanuary 1942
Warfare / World War, 2nd · Bletchley Park

Leaves Hut 8 to become deputy to Dilly Knox in the section attacking Abwehr Enigma.

Enigma MachineNovember 1942
Warfare / World War, 2nd · Bletchley Park

Works on the specialised Abwehr-Enigma Bombe Funf, installed at Bletchley Park in November.

1943

Enigma MachineFebruary 1943
Warfare / World War, 2nd · Bletchley Park

Becomes head of the ISK section responsible for cryptanalysis of German Abwehr Enigma.

Enigma MachineSeptember 1943
Warfare / World War, 2nd · Bletchley Park

Sees the specialised Abwehr-Enigma Bombe Eureka installed as ISK expands mechanised attacks.

1944

Enigma MachineMay 1944
Warfare / World War, 2nd · Bletchley Park

Sees Oracle, the third specialised Twinn-type Bombe for Abwehr Enigma, installed in May.

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.