David Kenyon is the research historian at Bletchley Park.

“Mr. Kenyon’s book adds substantially to our understanding of the vast operational-intelligence machine that the Allies assembled.”—Helen Fry, Wall Street Journal“Using previously classified documents, this book casts the work of Bletchley Park in a new light.”—Military History“Pleasingly, David Kenyon’s Bletchley Park and D-Day shines out and makes for very interesting in-depth reading, as it gives an illuminating examination of the intelligence operations that helped to secure the Allied victory at Normandy.”—Melody Foreman, Britain at War“[A] very readable, yet scholarly book. . . . It can be recommended to both newcomers to SIGINT and to those who have already read extensively on the subject of Bletchley Park.”—David Harris, Radio User“[M]akes an important contribution to the historiography of World War II intelligence history in general and, more specifically, of Bletchley Park and to a broader understanding of the Bletchley players, who . . . have not received the attention that others who played a role in the successful Normandy invasion have.”—Mary Kathryn Barbier, Cercles“In this well researched and fascinating addition to the history of intelligence gathering at Bletchley Park, David Kenyon has added a new dimension to our understanding of the way in which the gathering and interpretation of signals intelligence (SIGINT) added to the knowledge of enemy operations and strength, and how this information was analysed and used in the build up to Operation Overlord on D-Day.”—Linda Parker, Second World War Research Group“David Kenyon and Bletchley Park is the dream ticket. A wonderful scholar and communicator writing about one of the world’s most fascinating historical sites.”—Dan Snow, historian, documentary filmmaker, and television presenter“Fascinating, readable and significant. David Kenyon takes us beyond the code-breaker heroics of movie-makers into a far richer portrait of Bletchley as nothing less than an ‘intelligence factory,’ showing why it was so important for D-Day.”—David Reynolds, coauthor of The Kremlin Letters“This book fills a critical gap in the historiography of both Bletchley Park and Normandy, drawing on many primary sources that have only recently become available. It is also a well written work of very high scholarship from which even experts will learn much.”—Stephen Badsey, author of Normandy 1944

David Kenyon is the research historian at Bletchley Park.

“Mr. Kenyon’s book adds substantially to our understanding of the vast operational-intelligence machine that the Allies assembled.”—Helen Fry, Wall Street Journal“Using previously classified documents, this book casts the work of Bletchley Park in a new light.”—Military History“Pleasingly, David Kenyon’s Bletchley Park and D-Day shines out and makes for very interesting in-depth reading, as it gives an illuminating examination of the intelligence operations that helped to secure the Allied victory at Normandy.”—Melody Foreman, Britain at War“[A] very readable, yet scholarly book. . . . It can be recommended to both newcomers to SIGINT and to those who have already read extensively on the subject of Bletchley Park.”—David Harris, Radio User“[M]akes an important contribution to the historiography of World War II intelligence history in general and, more specifically, of Bletchley Park and to a broader understanding of the Bletchley players, who . . . have not received the attention that others who played a role in the successful Normandy invasion have.”—Mary Kathryn Barbier, Cercles“In this well researched and fascinating addition to the history of intelligence gathering at Bletchley Park, David Kenyon has added a new dimension to our understanding of the way in which the gathering and interpretation of signals intelligence (SIGINT) added to the knowledge of enemy operations and strength, and how this information was analysed and used in the build up to Operation Overlord on D-Day.”—Linda Parker, Second World War Research Group“David Kenyon and Bletchley Park is the dream ticket. A wonderful scholar and communicator writing about one of the world’s most fascinating historical sites.”—Dan Snow, historian, documentary filmmaker, and television presenter“Fascinating, readable and significant. David Kenyon takes us beyond the code-breaker heroics of movie-makers into a far richer portrait of Bletchley as nothing less than an ‘intelligence factory,’ showing why it was so important for D-Day.”—David Reynolds, coauthor of The Kremlin Letters“This book fills a critical gap in the historiography of both Bletchley Park and Normandy, drawing on many primary sources that have only recently become available. It is also a well written work of very high scholarship from which even experts will learn much.”—Stephen Badsey, author of Normandy 1944

David Kenyon is the research historian at Bletchley Park.

“Mr. Kenyon’s book adds substantially to our understanding of the vast operational-intelligence machine that the Allies assembled.”—Helen Fry, Wall Street Journal“Using previously classified documents, this book casts the work of Bletchley Park in a new light.”—Military History“Pleasingly, David Kenyon’s Bletchley Park and D-Day shines out and makes for very interesting in-depth reading, as it gives an illuminating examination of the intelligence operations that helped to secure the Allied victory at Normandy.”—Melody Foreman, Britain at War“[A] very readable, yet scholarly book. . . . It can be recommended to both newcomers to SIGINT and to those who have already read extensively on the subject of Bletchley Park.”—David Harris, Radio User“[M]akes an important contribution to the historiography of World War II intelligence history in general and, more specifically, of Bletchley Park and to a broader understanding of the Bletchley players, who . . . have not received the attention that others who played a role in the successful Normandy invasion have.”—Mary Kathryn Barbier, Cercles“In this well researched and fascinating addition to the history of intelligence gathering at Bletchley Park, David Kenyon has added a new dimension to our understanding of the way in which the gathering and interpretation of signals intelligence (SIGINT) added to the knowledge of enemy operations and strength, and how this information was analysed and used in the build up to Operation Overlord on D-Day.”—Linda Parker, Second World War Research Group“David Kenyon and Bletchley Park is the dream ticket. A wonderful scholar and communicator writing about one of the world’s most fascinating historical sites.”—Dan Snow, historian, documentary filmmaker, and television presenter“Fascinating, readable and significant. David Kenyon takes us beyond the code-breaker heroics of movie-makers into a far richer portrait of Bletchley as nothing less than an ‘intelligence factory,’ showing why it was so important for D-Day.”—David Reynolds, coauthor of The Kremlin Letters“This book fills a critical gap in the historiography of both Bletchley Park and Normandy, drawing on many primary sources that have only recently become available. It is also a well written work of very high scholarship from which even experts will learn much.”—Stephen Badsey, author of Normandy 1944