Clear Case of Genius
Subtitle: Room 40's Code-Breaking Pioneer
Publisher: History Press Limited, The
Published: 2017
Language: eng
Number of pages: 224
ISBN-13: 9780750982658
Subjects: World war, 1914-1918, great britain; Spies; Great britain, biography
Description: With supporting text and images by Philip Vickers, this is a unique insight into the thinking of one of Britain's pioneering intelligence leaders.