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Alan Turing: The Enigma, by Andrew Hodges
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Listed as one of the essential 50 books of all time in The Guardian
It's only a slight exaggeration to say that the British mathematician Alan Turing (1912-1954) saved the Allies from the Nazis, invented the computer and artificial intelligence, and anticipated gay liberation by decades―all before his suicide at age forty-one. This classic biography of the founder of computer science, reissued on the centenary of his birth with a substantial new preface by the author, is the definitive account of an extraordinary mind and life.
A gripping story of mathematics, computers, cryptography, and homosexual persecution, Andrew Hodges's acclaimed audiobook captures both the inner and outer drama of Turing's life. Hodges tells how Turing's revolutionary idea of 1936―the concept of a universal machine―laid the foundation for the modern computer and how Turing brought the idea to practical realization in 1945 with his electronic design. The audiobook also tells how this work was directly related to Turing's leading role in breaking the German Enigma ciphers during World War II, a scientific triumph that was critical to Allied victory in the Atlantic. At the same time, this is the tragic story of a man who, despite his wartime service, was eventually arrested, stripped of his security clearance, and forced to undergo a humiliating treatment program―all for trying to live honestly in a society that defined homosexuality as a crime.
- Sales Rank: #1035218 in Books
- Published on: 2015-02-10
- Formats: Audiobook, MP3 Audio, Unabridged
- Original language: English
- Number of items: 2
- Dimensions: 6.75" h x .68" w x 5.25" l, .20 pounds
- Running time: 31 Hours
- Binding: MP3 CD
Amazon.com Review
Alan Turing died in 1954, but the themes of his life epitomize the turn of the millennium. A pure mathematician from a tradition that prided itself on its impracticality, Turing laid the foundations for modern computer science, writes Andrew Hodges:
Alan had proved that there was no "miraculous machine" that could solve all mathematical problems, but in the process he had discovered something almost equally miraculous, the idea of a universal machine that could take over the work of any machine.
During World War II, Turing was the intellectual star of Bletchley Park, the secret British cryptography unit. His work cracking the German's Enigma machine code was, in many ways, the first triumph of computer science. And Turing died because his identity as a homosexual was incompatible with cold-war ideas of security, implemented with machines and remorseless logic: "It was his own invention, and it killed the goose that laid the golden eggs."
Andrew Hodges's remarkable insight weaves Turing's mathematical and computer work with his personal life to produce one of the best biographies of our time, and the basis of the Derek Jacobi movie Breaking the Code. Hodges has the mathematical knowledge to explain the intellectual significance of Turing's work, while never losing sight of the human and social picture:
In this sense his life belied his work, for it could not be contained by the discrete state machine. At every stage his life raised questions about the connection (or lack of it) between the mind and the body, thought and action, intelligence and operations, science and society, the individual and history.
And Hodges admits what all biographers know, but few admit, about their subjects: "his inner code remains unbroken." Alan Turing is still an enigma. --Mary Ellen Curtin
Review
A New York Times Bestseller
The Imitation Game, Winner of the 2015 Academy Award for Best Adapted Screenplay
Winner of the 2015 (27th) USC Libraries Scripter Award, University of Southern California Libraries
One of The Guardian's Best Popular Physical Science Books of 2014, chosen by GrrlScientist
"Scrupulous and enthralling."--A. O. Scott, New York Times
"One of the finest scientific biographies ever written."--Jim Holt, New Yorker
"Andrew Hodges' 1983 book Alan Turing: The Enigma, is the indispensable guide to Turing's life and work and one of the finest biographies of a scientific genius ever written."--Michael Hiltzik, Los Angeles Times
"Turing's rehabilitation from over a quarter-century's embarrassed silence was largely the result of Andrew Hodges's superb biography, Alan Turing: The Enigma (1983; reissued with a new introduction in 2012). Hodges examined available primary sources and interviewed surviving witnesses to elucidate Turing's multiple dimensions. A mathematician, Hodges ably explained Turing's intellectual accomplishments with insight, and situated them within their wider historical contexts. He also empathetically explored the centrality of Turing's sexual identity to his thought and life in a persuasive rather than reductive way."--Michael Saler, Times Literary Supplement
"On the face of it, a richly detailed 500-page biography of a mathematical genius and analysis of his ideas, might seem a daunting proposition. But fellow mathematician and author Hodges has acutely clear and often extremely moving insight into the humanity behind the leaping genius that helped to crack the Germans' Enigma codes during World War II and bring about the dawn of the computer age. . . . This melancholy story is transfigured into something else: an exploration of the relationship between machines and the soul and a full-throated celebration of Turing's brilliance, unselfconscious quirkiness and bravery in a hostile age."--Sinclair McKay, Wall Street Journal
"A first-class contribution to history and an exemplary work of biography."--I. J. Good, Nature
"An almost perfect match of biographer and subject. . . . [A] great book."--Ray Monk, Guardian
"A superb biography. . . . Written by a mathematician, it describes in plain language Turing's work on the foundations of computer science and how he broke the Germans' Enigma code in the Second World War. The subtle depiction of class rivalries, personal relationships, and Turing's tragic end are worthy of a novel. But this was a real person. Hodges describes the man, and the science that fascinated him--which once saved, and still influences, our lives."--Margaret Boden, New Scientist
"Andrew Hodges's magisterial Alan Turing: The Enigma . . . is still the definitive text."--Joshua Cohen, Harper's
"Andrew Hodges's biography is a meticulously researched and written account detailing every aspect of Turing's life. . . . This account of Turing's life is a definitive scholarly work, rich in primary source documentation and small-grained historical detail."--Mathematics Teacher
"Tells a powerful story that combines professional success and personal tragedy."--Nancy Szokan, Washington Post
"[A] really excellent biography. . . . The great thing about this book is that the author is a mathematician and can explain the details of Turing's work--as a scientist, mathematician, and a code breaker--in a way that is easy to understand. He is also wonderful at the emotional nuance of Alan's life, who was a somewhat odd--a student was assigned to him in school to help him maintain a semblance of tidiness in his appearance, rooms and school work and at Bletchley Park he was known for chaining his tea mug to a pipe--but he was also charming and intelligent and Hodges brings all the aspects of his personality and life into sharp focus."--Off the Shelf
"This book is an incredibly detailed and meticulously researched biography of Alan Turing. Reading it is a melancholy experience, since you know from the outset that the ending is a tragic one and that knowledge overshadows you throughout. While the author divides the text into two parts, it actually reads like a play in four acts. . . . This book is Turing's memorial, and one that does justice to the subject."--Katherine Safford-Ramus, MAA Reviews
"The new paperback edition of the 1983 book that inspired the film, with an updated introduction by Oxford mathematics professor Andrew Hodges, is an exhilarating, compassionate and detailed biography of a complicated man."--Jane Ciabattari, BBC
"If [The Imitation Game] does nothing else but send you, as it did me, to Alan Hodges's Alan Turing: The Enigma (1983, newly prefaced in the 2014 Princeton University Press edition) it more than justifies its existence. A great read, Hodges's intellectual biography depicts Turing as a brilliant mathematician; a crucial pioneering figure in the theorization and engineering of digital computing; and the biggest brain in Bletchley Park's Hut #8."--Amy Taubin, Artforum
"It is indeed the ultimate biography of Alan Turing. It will bring you as close as possible to his enigmatic personality."--Adhemar Bultheel, European Mathematical Society
"A book whose time has finally come. I found it to be a page-turner in spite of the occasionally esoteric explanations of mathematical theories that reminded of why Brooklyn Technical High School was not the wisest choice for me."--Terrance, Paris Readers Circle
"Thanks to the movie The Imitation Game, Alan Turing has emerged from history's shadows, where his memory had languished for decades. For anyone whose interest in the pioneering computer scientist, mathematician, and logician was piqued by the film, the book that served as the film's source material, Andrew Hodges's exhaustive biography Alan Turing: The Enigma, has the answers."--Frank Caso, Simply Charly
From the Back Cover
"One of the finest scientific biographies I've ever read: authoritative, superbly researched, deeply sympathetic, and beautifully told."--Sylvia Nasar, author of A Beautiful Mind
"A captivating, compassionate portrait of a first-rate scientist who gave so much to a world that in the end cruelly rejected him. Perceptive and absorbing, Andrew Hodges's book is scientific biography at its best."--Paul Hoffman, author of The Man Who Loved Only Numbers
"A remarkable and admirable biography."--Simon Singh, author of The Code Book and Fermat's Enigma
"A first-rate presentation of the life of a first-rate scientific mind.... It is hard to imagine a more thoughtful and compassionate portrait of a human being."--from the Foreword by Douglas Hofstadter
Most helpful customer reviews
442 of 458 people found the following review helpful.
One of the few books on my 'keep forever' list
By Thomas D. Jennings
Without this book, the real Alan Turing might fade into obscurity or at least the easy caricature of an eccentric British mathematician. And to the relief of many, because Turing was a difficult person: an unapologetic homosexual in post-victorian england; ground-breaking mathematician; utterly indifferent to social conventions; arrogantly original (working from first principles, ignoring precedents); with no respect for professional boundaries (a 'pure' mathematician who taught himself engineering and electronics).
His best-known work is his 1936 'Computable Numbers' paper, defining a self-modifying, stored-program machine. He used these ideas to help build code-breaking methods and machinery at Bletchley Park, England's WWII electronic intelligence center. This work, much still classified today, led directly to the construction of the world's first stored-program, self-modifying computer, in 1948.
Computers were always symbol-manipulators to Alan, not 'number crunchers', the predominant view even to von Neumann, and into the 60's and 70's. He designed many basic software concepts (interpreter, floating point), most of which were ignored (he umm wasn't exactly good at promoting his ideas). By 1948 Alan had moved on to studying human and machine intelligence, as a user of computers, again with his lack of social niceties and radical thinking, some of his ideas were baffling or embarrassing until 'rediscovered' decades later as brilliant insights into intelligence. His 'Turing test' of intelligence dates from this period, and is still widely misunderstood.
Poor Alan; his refusal to deceive himself or others and "go along" with the conventions of the time regarding sexuality caused him (and other homosexuals then) great problems; early Cold War England was not a good time to be gay, or a misfit, especially one with deep knowledge of war-time secrecy (he was technical crypto liason to the U.S., and one of the few with broad knowledge of operations at Bletchley, since he defined so much of it, in a time of extreme compartmentalization). His sexual escapades eventually got him in trouble, and his increasing isolation and the fact that he simply couldn't acknowledge some of his life's work due to secrecy, probably influenced his suicide at the age of 42.
I first discovered Turing-the-person in A HISTORY OF COMPUTING IN THE 20TH CENTURY (Metropolis, Howlett, Gian-Carlo Rota; Acedemic Press, 1980), where I.J. Good wrote, "we didn't know he was a homosexual until after the war... if the security people had found out [and removed him]... we might have lost the war". This led me to look for books on Turing, and then the Hodges book magically appeared on the shelf.
I am grateful that Hodges researched his life as well as his work, as far as the data allows. Knowing the whole is always important, but I think critical in Alan Turing's life.
My only complaint with the book is that it makes a number of assumptions or implications that seem to require knowledge of British culture, both contemporary and of the period, which I still didn't pick up on a re-reading. But it barely detracts from the book.
Clearly, I rate this one of the most important books I've ever read.
203 of 211 people found the following review helpful.
The Classic Biography of the Computer's Progenitor
By Martin D. Davis
It is a pleasure to see that the wonderful biography of Alan Turing by Andrew Hodges is once again available. With loving care, Hodges follows Turing's life from the clumsy child whose largely absentee parents were caught up in maintaining the British imperial presence in India, to the mathematically precocious adolescent facing teachers for whom mathematics imparted a bad smell to a room, finally coming into his own at Cambridge University where he wrote the paper that provided the conceptual underpinnings of the all-purpose computers we all use today. Hodges carefully explains Turing's crucial contributions to breaking the secret codes that the German military used all through the Second World War, confident in the security provided by their "Enigma" machines. Turing's highly successful war-time practical work known only to a few, his efforts after the war to enable the construction of a general purpose electronic computer were frustrated by bureaucratic mismanagement and by a lack of appreciation of the value of his ideas, many of which came to the fore much later. A burglary of his house that a prudent man would have kept to himself, led to Turing's homosexuality coming to official notice when he reported the crime to the police. He was prosecuted for "gross indecency" and sentenced to a course of injections of estrogen intended to diminish his sex drive. We will never know how much this barbaric treatment contributed to his suicide or what he might have accomplished had his life not been cut short. This is a book that will fascinate readers interested in the history of the computer, in the story of how the German submarine fleet threatening to strangle England was defeated, and in the tragic story of the persecution for his sex life of a man who should have been prized as a national hero.
115 of 125 people found the following review helpful.
One of the most important books I've ever read
By Thomas D. Jennings
Without this book, the real Alan Turing might fade into obscurity or at least the easy caricature of an eccentric British mathematician. And to the relief of many, because Turing was a difficult person: an unapologetic homosexual in post-victorian england; ground-breaking mathematician; utterly indifferent to social conventions; arrogantly original (working from first principles, ignoring precedents); with no respect for professional boundaries (a 'pure' mathematician who taught himself engineering and electronics).
His best-known work is his 1936 'Computable Numbers' paper, defining a self-modifying, stored-program machine. He used these ideas to help build code-breaking methods and machinery at Bletchley Park, England's WWII electronic intelligence center. This work, much still classified today, led directly to the construction of the world's first stored-program, self-modifying computer, in 1948.
Computers were always symbol-manipulators, to Alan, not 'number crunchers', the predominant view even to von Neumann, and into the 60's and 70's. He designed many basic software concepts (interpreter, floating point), most of which were ignored (he wasn't exactly good at promoting his ideas). By 1948 Alan had moved on to studying human and machine intelligence, as a user of computers, again with his lack of social niceties and radical thinking, some of his ideas were baffling or embarrassing until 'rediscovered' decades later as brilliant insights into intelligence. His 'Turing test' of intelligence dates from this period, and is still widely misunderstood.
Poor Alan; his refusal to deceive himself or others and "go along" with the conventions of the time regarding sexuality caused him (and other homosexuals then) great problems; early Cold War England was not a good time to be gay, or a misfit, especially one with deep knowledge of war-time secrecy (he was technical crypto liason to the U.S., and one of the few with broad knowledge of operations at Bletchley, since he defined so much of it, in a time of extreme compartmentalization). His sexual escapades eventually got him in trouble, and his increasing isolation and the fact that he simply couldn't acknowledge some of his life's work due to secrecy, probably influenced his suicide at the age of 42.
I first discovered Turing-the-person in A HISTORY OF COMPUTING IN THE 20TH CENTURY (Metropolis, Howlett, Gian-Carlo Rota; Acedemic Press, 1980), where I.J. Good wrote, "we didn't know he was a homosexual until after the war... if the security people had found out [and removed him]... we might have lost the war". This led me to look for books on Turing, and then the Hodges book magically appeared on the shelf.
I am grateful that Hodges researched his life as well as his work, as far as the data allows. Knowing the whole is always important, but I think critical in Alan Turing's life. Clearly, I rate this one of the most important books I've ever read.
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