BOOK REVIEWS: DENNISTON
GCHQ website- 13 September 2017
Navy Net (the Unofficial Royal Navy community) - 16 November 2017
"This is much more than a biography of Alexander ('Alastair') Guthrie Davidson ('AGD'), 1881-1961, wheelhorse of the British Signal Intelligence (SIGINT) effort at the start of Hitler's War. It is also the story of SIGINT itself from 1914 onwards".
Book Reviews by Nicholas Hoare for Vermont PBS - 10 October 2017
Image: GCHQ website announces the launch of the biography of its first Head, Alastair Denniston.