E154 - The Diplomatic Section

Bletchley Park

August 2023
This month we examine the often-overlooked story of GC&CS’s work on diplomatic codes and ciphers.
This vital work predated work on military codes, beginning when CG&CS was created in 1919. Work continued throughout World War Two, with some staff eventually leaving Bletchley Park to carry on as the Government Communications Bureau in Berkeley Street London.
In this special episode our Research Historian Dr David Kenyon is joined by GCHQ’s Departmental Historian Dr David Abrutat, to discuss all things diplomatic and beyond.
This episode features the following contributors from our Oral History Archive:
Sir Arthur Bonsall
Stephen Freer
Many thanks to Dr Ben Thomson for voicing our archival documents.
Image: ©Crown. Reproduced by kind permission, Director, GCHQ
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