Hodges, Andrew. Alan Turing : the enigma / Andrew Hodges ; with a foreword by Douglas Hofstadter and a new preface by the author.

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Hodges, Andrew.

Alan Turing : the enigma / Andrew Hodges ; with a foreword by Douglas Hofstadter and a new preface by the author.

Turing, Alan Mathison, 1912-1954.

Mathematicians -- Great Britain -- Biography.