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Home > Art, Film & Photography > Pre-Computer Cryptographers: Claude Shannon, Charles Wheatstone, Max Newman, Leo Marks, Marian Rejewski, Herbert Yardley, Elizebeth Friedman, Joseph Rochefort, Jan Kowalewski, M
Pre-Computer Cryptographers: Claude Shannon, Charles Wheatstone, Max Newman, Leo Marks, Marian Rejewski, Herbert Yardley, Elizebeth Friedman, Joseph Rochefort, Jan Kowalewski, M

Pre-Computer Cryptographers: Claude Shannon, Charles Wheatstone, Max Newman, Leo Marks, Marian Rejewski, Herbert Yardley, Elizebeth Friedman, Joseph Rochefort, Jan Kowalewski, M


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About the Book

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 43. Chapters: Claude Shannon, Charles Wheatstone, Max Newman, Leo Marks, Marian Rejewski, Herbert Yardley, Elizebeth Friedman, Joseph Rochefort, Jan Kowalewski, Meredith Gardner, Dilly Knox, Alastair Denniston, Jerzy Ro ycki, Gwido Langer, Gilbert Vernam, John Tiltman, Charles Barbier, Laurance Safford, Auguste Kerckhoffs, Arne Beurling, George Scovell, Oliver Strachey, Maksymilian Ci ki, Etienne Bazeries, Hermann Pokorny, Henryk Zygalski, Jan Grali ski, Friedrich Kasiski, Joseph Finnegan, Nigel de Grey, Tex Biard, Hugh Foss, Felix Delastelle, Henri Braquenie, Georges Painvin, Franciszek Pokorny, Josh Cooper, Joseph Mauborgne, William Montgomery, Piotr Smole ski. Excerpt: Marian Adam Rejewski (16 August 1905 - 13 February 1980) was a Polish mathematician and cryptologist who in 1932 solved the plugboard-equipped Enigma machine, the main cipher device used by Germany. The success of Rejewski and his colleagues Jerzy Ro ycki and Henryk Zygalski jump-started British reading of Enigma in World War II; the intelligence so gained, code-named "Ultra," contributed, perhaps decisively, to the defeat of Nazi Germany. While studying mathematics at Pozna University, Rejewski had attended a secret cryptology course conducted by the Polish General Staff's Biuro Szyfrow (Cipher Bureau), which he joined full-time in 1932. The Bureau had achieved little success reading Enigma and in late 1932 set Rejewski to work on the problem. After only a few weeks, he deduced the secret internal wiring of the Enigma. Rejewski and his two mathematician colleagues then developed an assortment of techniques for the regular decryption of Enigma messages. Rejewski's contributions included devising the cryptologic "card catalog," derived using his "cyclometer," and the "cryptologic bomb." Five weeks before the German invasion of Poland in 1939, ...


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Product Details
  • ISBN-13: 9781157689775
  • Publisher: Books LLC, Wiki Series
  • Publisher Imprint: Books LLC, Wiki Series
  • Height: 246 mm
  • No of Pages: 44
  • Spine Width: 2 mm
  • Weight: 95 gr
  • ISBN-10: 1157689779
  • Publisher Date: 12 Oct 2012
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Sub Title: Claude Shannon, Charles Wheatstone, Max Newman, Leo Marks, Marian Rejewski, Herbert Yardley, Elizebeth Friedman, Joseph Rochefort, Jan Kowalewski, M
  • Width: 189 mm


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