GCHQ – John Ferris on the official history

December 19, 2020

Mattias Hessérus in conversation with John Ferris, the historian ‘behind the enigma’ of Britain’s signals intelligence agency.

The GCHQ building in Cheltenham, Gloucestershire. Credit: David Goddard / Getty Images.
The GCHQ building in Cheltenham, Gloucestershire. Credit: David Goddard / Getty Images.

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