The Hut Six Story

Breaking the Enigma Codes
Author: Gordon Welchman
Publisher: Classic Crypto Books
ISBN: 9780947712341
Category: Language Arts & Disciplines
Page: 263
View: 3672

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The Hut Six story

breaking the Enigma codes
Author: Gordon Welchman
Publisher: McGraw-Hill Companies
ISBN: N.A
Category: Biography & Autobiography
Page: 326
View: 1717

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A British mathematician who joined England's code breakers at the outbreak of World War II, throws new light on the breaking of Germany's Enigma Code and on other clandestine activities of the war

Codebreakers

The Inside Story of Bletchley Park
Author: F. H. Hinsley
Publisher: Oxford University Press, USA
ISBN: 9780192801326
Category: History
Page: 321
View: 3040

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With many colourful anecdotes and vivid descriptions, this is the first authentic account of daily life at Government Communications Headquarters, Bletchley Park, the most successful intelligence agency in history. Described by Churchill as the 'secret weapon' that 'won the war', the men and women of Bletchley Park here combine to write their story in full. This book gives fascinating insights into recruitment and training, together with a full and accurate account of codes and ciphersand how they are broken.

Gordon Welchman

Bletchley Park's Architect of Ultra Intelligence
Author: Joel Greenberg
Publisher: Frontline Books
ISBN: 1473834635
Category: History
Page: 288
View: 1880

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A magnificent biography which finally provides recognition to one of Bletchley's and Britain's lost heroes.' Michael Smith??The Official Secrets Act and the passing of time have prevented the Bletchley Park story from being told by many of its key participants. Here at last is a book which allows some of them to speak for the first time. Gordon Welchman was one of the Park's most important figures. Like Turing, his pioneering work was fundamental to the success of Bletchley Park and helped pave the way for the birth of the digital age. Yet, his story is largely unknown to many. His book, The Hut Six Story, was the first to reveal not only how they broke the codes, but how it was done on an industrial scale. Its publication created such a stir in GCHQ and the NSA that Welchman was forbidden to discuss the book or his wartime work with the media.??In order to finally set the record straight, Bletchley Park historian and tour guide Joel Greenberg has drawn on Welchman's personal papers and correspondence with wartime colleagues which lay undisturbed in his son's loft for many years. Packed with fascinating new insights, including Welchman's thoughts on key Bletchley figures and the development of the Bombe machine, this is essential reading for anyone interested in the clandestine activities at Bletchley Park.??As seen in the Kent and Sussex Courier, Dover Express, Folkestone Herald, Sevenoaks Chronicle, M.K. Pulse Magazine, The Vine Magazine and Vale Life Magazine.

Introduction to Algebraic Geometry


Author: W. Gordon Welchman
Publisher: Cambridge University Press
ISBN: 1316601803
Category: Mathematics
Page: 362
View: 1310

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Originally published in 1950, this textbook studies projective geometry and provides a solid introduction to similar studies in space of more than two dimensions.

Agent Garbo

The Brilliant, Eccentric Secret Agent Who Tricked Hitler and Saved D-Day
Author: Stephan Talty
Publisher: Houghton Mifflin Harcourt
ISBN: 0547614829
Category: History
Page: 304
View: 6029

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“The book presses ever forward down a path of historical marvels and astonishing facts. The effect is like a master class that’s accessible to anyone, and Agent Garbo often reads as though it were written in a single, perfect draft.”—The Atlantic Before he remade himself as the master spy known as Garbo, Juan Pujol was nothing more than a Barcelona poultry farmer. But as Garbo, he turned in a masterpiece of deception that changed the course of World War II. Posing as the Nazis’ only reliable spy inside England, he created an imaginary million-man army, invented armadas out of thin air, and brought a vast network of fictional subagents to life. The scheme culminated on June 6, 1944, when Garbo convinced the Germans that the Allied forces approaching Normandy were just a feint—the real invasion would come at Calais. Because of his brilliant trickery, the Allies were able to land with much less opposition and eventually push on to Berlin. As incredible as it sounds, everything in Agent Garbo is true, based on years of archival research and interviews with Pujol’s family. This pulse-pounding thriller set in the shadow world of espionage and deception reveals the shocking reality of spycraft that occurs just below the surface of history. “Stephan Talty’s unsurpassed research brings forth one of the war’s greatest agents in a must-read book for those who think they know all the great World War II stories.” —Gregory Freeman, author of The Forgotten 500

Secret Days


Author: Asa Briggs
Publisher: Frontline
ISBN: 9781848326620
Category: Bletchley Park (Milton Keynes, England)
Page: 224
View: 5733

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'Briggs is an engaging and amiable guide though the mysteries of wartime cryptography . . . a fascinating account of an outstanding young man and his time at a quite remarkable institution.' Roger Moorhouse in BBC History magazine Lord Briggs has long been regarded as one of Britain's most important historians. However, until the publication of this remarkable book, he had never written about his time at Bletchley Park. Briggs himself did not tell his wife about his wartime career until the 1970s and his parents died without ever knowing about their son's contribution to the war effort. In this meticulously researched account he finally reveals the details of his life in Hut Six working as a code breaker alongside Alan Turing and Gordon Welchman. In addition to discussing the progress of the Allies' code breaking efforts and its impact on the war, Lord Briggs considers what the Germans knew about Bletchley and how they reacted to revelatory memoirs about the Enigma machine, which were not published until the 1970s. Packed with fascinating anecdotes, this is the gripping, revelatory story of an extraordinary young man in an extraordinary place.

The Ultra Secret

The Inside Story of Operation Ultra, Bletchley Park and Enigma
Author: Frederick William Winterbotham
Publisher: Orion Media
ISBN: 9780752837512
Category: World War, 1939-1945
Page: 199
View: 2503

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Operation Ultra was designed to intercept and decode German signals sent using Enigma, the top-secret German cypher machine. F.W. Winterbotham, was the man responsible for the organization, distribution and security of Ultra. This is his personal account of the operation.

Battle of Wits

The Complete Story of Codebreaking in World War II
Author: Stephen Budiansky
Publisher: Simon and Schuster
ISBN: 0684859327
Category: History
Page: 436
View: 861

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A million pages of new World War II codebreaking records have been released by the U.S. Army and Navy and the British government over the last five years. Now, Battle of Wits presents the history of the war that these documents reveal. From the Battle of Midway until the last German code was broken in January 1945, this is an astonishing epic of a war that was won not simply by brute strength but also by reading the enemy's intentions. The revelations of Stephen Budiansky's dramatic history include how Britain tried to manipulate the American codebreakers and monopolize German Enigma code communications; the first detailed published explanations of how the Japanese codes were broken; and how the American codebreaking machines worked to crack the Japanese, the German, and even the Russian diplomatic codes. This is the story of the Allied codebreakers puzzling through the most difficult codebreaking problems that ever existed. At the same time, the compelling narrative shows the crucial effect codebreaking had on the battle-fields by explaining the urgency of stopping the wolf pack U-boat attacks in the North Atlantic, the burning desire in the United States to turn the tide of the war after Pearl Harbor, the importance of halting Rommel's tanks in North Africa, and the necessity of ensuring that the Germans believed the Allies' audacious deception and cover plans for D-Day. Budiansky brings to life the unsung code-breaking heroes of this secret war: Joseph J. Rochefort, an intense and driven naval officer who ran the codebreaking operation in "The Dungeon", a dank basement at Pearl Harbor, that effectively won the Battle of Midway; Alan Turing, the eccentric father of the computerage, whose brilliant electromechanical calculators broke the German Enigma machine; and Ian Fleming, whose daredevil espionage schemes to recover codebooks resembled the plots of the 007 novels he later wrote. Among the villains, we meet the Nazi Admiral Donitz, who led the submarine wolf packs against Allied shipping in the North Atlantic with horrific casualty rates -- until the codebreakers stopped him. Budiansky, a Harvard-trained mathematician, demonstrates the mathematical insight and creativity of the cryptographers by showing step-by-step precisely how the codes were broken. This technology -- the flow of information, its encryption, and the computational methods of recovering it from the enemy -- had never before been so important to the outcome of a war. Informative diagrams, maps, appendices, and photographs show exactly how, why, and where the secret war was won. Unveiled for the first time, the complete story of codebreaking in World War II has now been told.

My Secret Life in Hut Six

One woman's experiences at Bletchley Park
Author: Mair Russell-Jones,Gethin Russell-Jones
Publisher: Lion Books
ISBN: 0745956653
Category: Biography & Autobiography
Page: 256
View: 7147

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The story of the World War 2 de-coders of Bletchley Park continues to fascinate many. How did Mair Thomas, brought up in the Welsh valleys and a musician, find herself in the rarefied atmosphere of Hut Six, surrounded by hundreds of others, all desperately trying to break the German Enigma Code? How did she cope? What was it like? Sworn to secrecy and working in cramped and uncomfortable conditions, Mair discovered her degree in German and Music was just what was needed. But her background was very different to that of most of her colleagues, drawn from the public schools and Oxbridge. How did she manage, and what relationships did she build? This book gives a fascinating insight into one woman's battle and vividly captures an era of danger, strain - and day to day difficulties, brightened occasionally by visits from the top brass, including Churchill.

Top Secret Ultra


Author: Peter Calvocoressi
Publisher: M&M Baldwin
ISBN: 9780947712419
Category: Cryptographers
Page: 158
View: 3864

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Software Maintenance

Concepts and Practice
Author: Penny Grubb,Armstrong A. Takang
Publisher: World Scientific
ISBN: 9789812384263
Category: Computers
Page: 349
View: 6641

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Software systems now invade every area of daily living. Yet, we still struggle to build systems we can really rely on. If we want to work with software systems at any level, we need to get to grips with the way software evolves. This book will equip the reader with a sound understanding of maintenance and how it affects all levels of the software evolution process.

Seizing the Enigma

The Race to Break the German U-Boat Codes, 1933-1945
Author: David Kahn
Publisher: Frontline Books
ISBN: 1783378581
Category: History
Page: 416
View: 5282

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For almost four desperate years, from 1939 to mid-1943, the British and American navies fought a savage, losing battle against German submarine wolfpacks. The Allies might never have turned the tide without an intelligence coup. The race to break the German U-boat codes is one of the greatest untold stories of World War II. Kahn expertly brings this tale to life in this newly-updated edition of his classic book. Soon after war broke out, HitlerÕs U-boats began to sever Allied lifelines. In the gray wasteland of the North Atlantic, submarines prowled; at night, the sky lit up with the flames of exploding tankers. To meet the growing crisis, ingenious amateurs joined the nucleus of dedicated professionals at Bletchley Park. As the Battle of the Atlantic raged, they raced to unlock the continually changing German naval codes. Their mission: to read the U-boat messages of HitlerÕs cipher device, the Enigma. Critical to their success was a series of raids at sea. U-110, captured intact in the mid-Atlantic, yielded the Enigma machine itself and also a trove of secret documents. The weather ship Lauenburg seized near the Arctic ice pack provided codesettings for an entire month. In the Mediterranean, two sailors rescued a German weather cipher than enabled the team at Bletchley to solve the Enigma after a year-long blackout.

Lorenz

Breaking Hitler's Top Secret Code at Bletchley Park
Author: Jerry Roberts, MBE
Publisher: The History Press
ISBN: 0750982047
Category: History
Page: 240
View: 9684

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The breaking of the Enigma machine is one of the most heroic stories of World War II, and highlights the crucial work of the Bletchley Park codebreakers which shortened the war by several years. But there was another code machine used by Hitler himself to convey messages to his top commanders in the field. More complex and secure than Enigma, it could never be broken. For 60 years no one knew about Lorenz or "Tunny," or the courageous group of men who finally broke the code. Here for the first time, codebreaker Jerry Roberts tells how these forgotten heroes of Bletchley broke Hitler's top secret code, and how he finally got the codebreakers the recognition they deserve.

Alan Turing: The Enigma

The Book That Inspired the Film "The Imitation Game"
Author: Andrew Hodges
Publisher: Princeton University Press
ISBN: 1400865123
Category: Biography & Autobiography
Page: 768
View: 6472

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A NEW YORK TIMES BESTSELLER The official book behind the Academy Award-winning film The Imitation Game, starring Benedict Cumberbatch and Keira Knightley It is 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 New York Times–bestselling biography of the founder of computer science, with a new preface by the author that addresses Turing's royal pardon in 2013, is the definitive account of an extraordinary mind and life. Capturing both the inner and outer drama of Turing’s life, Andrew 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 book 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 account 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. The inspiration for a major motion picture starring Benedict Cumberbatch and Keira Knightley, Alan Turing: The Enigma is a gripping story of mathematics, computers, cryptography, and homosexual persecution.

Alan Turing

The Enigma
Author: Andrew Hodges
Publisher: N.A
ISBN: 9780691164724
Category: Biography & Autobiography
Page: 768
View: 2646

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Explores the life of the mathematician, reveals the character of the man behind such concepts as the universal machine and the scientific understanding of the mind, and discusses his pioneering role in electronic computer design.

The Secret Life of Bletchley Park

The WWII Codebreaking Centre and the Men and Women who Worked There
Author: Sinclair McKay
Publisher: Aurum PressLtd
ISBN: 9781845136338
Category: History
Page: 336
View: 5357

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Bletchley Park was where one of the war’s most famous – and crucial – achievements was made: the cracking of Germany’s “Enigma” code in which its most important military communications were couched. This country house in the Buckinghamshire countryside was home to Britain’s most brilliant mathematical brains, like Alan Turing, and the scene of immense advances in technology – indeed, the birth of modern computing. The military codes deciphered there were instrumental in turning both the Battle of the Atlantic and the war in North Africa. But, though plenty has been written about the boffins, and the codebreaking, fictional and non-fiction – from Robert Harris and Ian McEwan to Andrew Hodges’ biography of Turing – what of the thousands of men and women who lived and worked there during the war? What was life like for them – an odd, secret territory between the civilian and the military? Sinclair McKay’s book is the first history for the general reader of life at Bletchley Park, and an amazing compendium of memories from people now in their eighties – of skating on the frozen lake in the grounds (a depressed Angus Wilson, the novelist, once threw himself in) – of a youthful Roy Jenkins, useless at codebreaking, of the high jinks at nearby accommodation hostels – and of the implacable secrecy that meant girlfriend and boyfriend working in adjacent huts knew nothing about each other’s work.

Ultra Goes to War


Author: Ronald Lewin
Publisher: Pen and Sword
ISBN: 1473820073
Category: History
Page: 400
View: 4895

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Ultra -- the code word for the greatest secret of World War II -- was the method by which the Allies intercepted German radio transmissions and broke their coded contents. But how was this information transmitted to the battlefield? Author Ronald Lewin was the first historian to utilize actual Ultra intercepts to show how this information was used in combat. He is also the first historian to have interviewed the men, both British and American, who produced and used Ultra intercepts in the key positions of leadership throughout the war. In documenting these incredible events, author Ronald Lewin tells the story of Ultra from 1920 through 1945. He utilized more than 70,000 previously secret Ultra intercepts. He has interviewed the Head of the Polish secret service who provided the Allies with the first Ultra code-breaking equipment before WWII started. He shows how the German radio signals were intercepted, how the codes were broken, how the information was evaluated, how Allied reactions were planned, and what impact this Ultra material had on the field of battle

Colossus

The Secrets of Bletchley Park's Code-breaking Computers
Author: B. Jack Copeland
Publisher: Oxford University Press
ISBN: 0199578141
Category: Computers
Page: 480
View: 2934

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With an introductory essay on cryptography and the history of code-breaking by Simon Singh, this book reveals the workings of Colossus and the extraordinary staff at Bletchley Park through personal accounts by those who lived and worked with the computer.