Author of 'Colossus: Bletchley Park's Greatest Secret' and 'Before Bletchley Park: The Codebreakers of World War I' (Tomlinson prize honourable mention for best WWI book in English 2020) www.paulgannonbooks.co.uk
Author of 'Colossus: Bletchley Park's Greatest Secret' and 'Before Bletchley Park: The Codebreakers of World War I' (Tomlinson prize honourable mention for best WWI book in English 2020) www.paulgannonbooks.co.uk