Alan Turing: The Enigma

Includes a new foreword by the author and a preface by Douglas Hofstadter.Alan Turing was the extraordinary Cambridge mathematician who masterminded the cracking of the German Enigma ciphers and transformed the Second World War. But his vision went far beyond this crucial achievement. Before the war he had formulated the concept of the universal machine, and in 1945 he tur….Read More