Breaking the unbreakable Axis code saved tens of thousands of Allied lives, of American lives; and for this, you have the enduring gratitude of the American people. And ...

Here is the first complete account of the incredible intelligence war fought for the mastery of Enigma, the code used by mose branches of the German armed forces in World War ...

This new, one-of-a-kind volume contains original essays, historical and technical papers, and translations of historical materials and retrospectives concerning the German ...

The essence of cryptology is the making and breaking of codes and ciphers. This is the second volume of articles (the first was titled Cryptologia yesterday, today and tomorrow ...

The story of Bletchley Park, the successful intelligence operation that cracked Germany's Enigma Code. Photos.