Frederick William Winterbotham CBE

'The Nazi Connection'

Bog | Engelsk

The Nazi Connection details Frederick William Winterbotham's work as Chief of the Air Intelligence Department in the British Secret Intelligence Service before World War II. Tasked with gathering intelligence on military aviation in potential adversar

'The Ultra Secret'

Bog | Engelsk

In April 1940, when British cryptographers at Bletchley Park decrypted some German air force messages, Group Captain Frederick Winterbotham recognized the potential of such intelligence and established a secure system to handle it. He created Special Liai