For almost four desperate years, between 1939 and 1943, British and American navies fought a savage, losing battle against German submarine wolf packs. The Allies might never have turned the tide of that historic battle without an intelligence coup. The race to break the German U-boat codes is one of the last great untold stories of World War II.
David Kahn, the world’s leading historian of cryptology, brings to life this tense, behind-the-scenes drama for the first time. Seizing the Enigma provides the definitive account of how British and American code breakers fought a war of wits against Nazi naval communications and helped lead the Allies to victory in the crucial Battle of the Atlantic.
©1991 David Khan (P)1994 Blackstone Audio, Inc.
“The best historian of cryptography explains the cracking of the Naval Enigma cipher.... David Kahn writes with authority and enthusiasm.” (Simon Singh, author of The Code Book and Fermat's Last Theorem)
“[Kahn] underscores the strategic importance of submarine warfare in the Atlantic, giving a balanced account of the ultimate importance of code breaking in that arena. High drama at sea seizing German codebooks and equipment and analytical genius ashore were essential. Kahn describes both of these matching efforts expertly. Informed laypersons and specialists will find this book valuable and intriguing.” (Library Journal)
“Kahn provides detailed, action-packed accounts (drawn from interviews with surviving eyewitnesses on both sides) of the bold seizures that yielded vital documents…A first-rate briefing on the use of brawn as well as brains to alleviate the U-boat threat.” (Kirkus Reviews)
An alpaca farmer in Oregon.
This is a somewhat less-than-great presentation of a great story. It documents what is likely the most amazing feat of sustained intelligence analysis ever performed against a target that should, by all rights, have been unbreakable. The intellectual level achieved by people like Alan Turing, as well as the selfless efforts of hundreds of others at BP are nothing short of amazing in retrospect.
The presentation is factual, detailed (some might say dry), and often hard to follow due to the lack of photos, numerical tables, and other information that is not conveyed by the audio alone. For example, if you can visually picture an Enigma machine after having listened to the written descriptions only, I congratulate you. I cannot. But I will now go seek out the photos, and I will know what I am looking at.
If you are looking for an action-packed war adventure, this book is not for you. If you are looking for thoughtful account of a crucial aspect of the war in the North Atlantic, you will like this one. I certainly did.
Letting the rest of the world go by
The author excels at making the history come alive by telling multiple stories that go into understanding the Enigma code breaking and its importance for the Battle of the North Atlantic. At first, I didn't understand why he was telling me some of the stories in great detail, but than he would always tie the story into why it was important for understanding the Enigma code breaking.
He makes you realize all the moving parts that goes into understanding any one facet of WW II. For example, he'll go into great detail about an allied convoy and what it means when some of the message traffic is intercepted and what it meant for the convoy. He made it such that you felt you were on the convoy and any moment a German U-boat could be threatening.
He really cleared up in my mind what it means when people say we broke the code. It's much more nuanced then I had always believed. The story of the Polish mathematicians and their approach kept me on the edge of my seat and is just one of the many, many different stories the author makes come alive.
A good author is one who loves his subject and can put it into the context of the whole. This author obviously loves the topic and knew how to put it into the context of all the moving parts within WW II, and why it was so important for the Allies survival.
One warning, this is one of the view books where I would get lost by the mathematics, but the flow of the story is still understandable and exciting, and I really have corrected some major misunderstanding I had about the cracking of the code and what it meant.
The author develops the story chronologically while giving credit to the Poles for discovering the weaknesses in ENIGMA, to the British for exploiting them and to the Americans for building the really big machines that fully expoited it.
I would recommend this book to anyone interested in the history of encipherment or who currently works in cryptography.
"Very revealing story about WWII"
I knew that U-Boats were a scourge during WWI, but not to the extent I found out in reading this book. It describes the devastating impact U-Boats had on the execution of the war, and of the desperation and creativity used to protect as well decipher the codes. It's story is so compelling that it made me think the land battles were just a side shows in the outcome of the war.
The only problem is trying to follow along as the reader describes the wire by wire detail of the ciphering machine design, and of the letter by letter explanations of some of the code breaking successes. This is one of the problems with listening to technical books that obviously require diagrams and tables.
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