In 1933 the Admiralty banned ‘Blinker’ Hall from publishing his autobiography, but here, for the first time, those chapters that survived are presented in full. See what the renowned spymaster had to say about the British Naval Intelligence the pinnacle of the world’s secret intelligence services. He explores the function of secret intelligence in wartime, censorship, subterfuge, the significance of Churchill in the Dardanelles campaign, the Zimmermann telegram, the USA’s entry to the First World War, and more. With supporting text and images by Philip Vickers, this is a unique insight into the thinking of one of Britain’s pioneering intelligence leaders. AUTHORS: Reginald ‘Blinker’ Hall (1870 1943) was the British Director of Naval Intelligence from 1914 to 1919, credited with being responsible for bringing Americans into the war in 1917 due to the decoding the of Zimmermann telegram. Philip Vickers is a member of the Royal Marine Historical Society and has written Finding Thoroton for them. He has been given the blessings of the Hall literary estate and the Churchill Archives to present A Clear Case of Genius in its full form. SELLING POINTS: . The man who helped found the cryptanalysis Room 40 that decoded the Zimmermann telegram that brought the US into the First World War .Records widely sought after but never before published in full .Foreword by Nigel West .BBC TV have expressed interest .English Heritage considering giving his London home Blue Plaque status 100 b/w illustrations