In May 1917, William and Elizebeth Friedman were asked by the U.S. Army to begin training officers in cryptanalysis and to decrypt intercepted German diplomatic and military communications. In June 1917, Herbert Yardley convinced the new head of the Army's Military Intelligence Division to create a code and cipher section for the Army with himself as its head.

These two seminal events were the beginning of modern American cryptology, the growth of which culminated 35 years later with the creation of the National Security Agency. Each running their own cryptologic agencies in the 1920s, the Friedman-Yardley relationship was shattered after Yardley published a tell-all book about his time in military intelligence. Yet in the end, the work they all started in 1917 led directly to the modern American intelligence community. As they got older, they became increasingly irrelevant in the burgeoning American cryptologic fraternity.

Topics and features:

• Examines the lives of three remarkable and pioneering cryptologists

• Offers fascinating insights into spies, codes and ciphers, rumrunners, poker, and military history

• Sheds new light on interesting parts of the cryptologists' careersespecially Elizebeth Friedman, whose work during World War II has just begun to be explored

• Recounts several good stories, i.e., What if the Friedmans had gone to work for Herbert Yardley in his new Cipher Bureau in 1919? What if Yardley had moved back to Washington to work for William Friedman a decade later?

This enjoyable book has wide appeal for: general readers interested in the evolution of American cryptology, American historians (particularly of World War I, the inter-war period, and World War II signals intelligence), and historians ofand general readers interested inAmerican military intelligence. It also can be used as an auxiliary text or recommended reading in introductory or survey courses in history or on the related topics.

Sheds new light on interesting parts of the careers of three cryptologists Tells several good stories, including about two spectacular missed opportunities Attractive to an audience beyond university students and historians

Autorentext
John F. Dooley is the William and Marilyn Ingersoll Professor Emeritus of Computer Science at Knox College in Galesburg, Illinois. Previously, he spent more than 15 years in the software industry working for such companies as Bell Telephone Laboratories, McDonnell Douglas, IBM, and Motorola. His other Springer publications include Codes, Ciphers and Spies and the award-winning History of Cryptography and Cryptanalysis.

Inhalt

1. Introduction.- 2. Beginnings Herbert Yardley.- 3. Beginnings William Friedman and Elizebeth Smith.- 4. The Great War Meetings.- 5. Wars End.- 6. What Might Have Been.- 7. The Cipher Bureau: Early Days.- 8. The Lone Cryptologists: Escape from Riverbank.- 9. The Cipher Bureau: Success and Decline.- 10. The Lone Cryptologists: Washington Life.- 11. Cryptologic Endings and Beginnings.- 12. The American Black Chamber.- 13. A Pretty Young Woman in a Pink Dress.- 14. One Career After Another.- 15. Red and Purple.- 16. Yardley Abroad.- 17. The Friedmans at War William.- 18. The Friedmans at War Elizebeth.- 19. Yardley's War.- 20. Endings.- 21. Memories of Friedman and Yardley.- Appendix - A Few Words of Cryptology.- Bibliography.- Photo and Illustration Credits.