Modern Marvels

Season 8 Episode 15


Aired Wednesday 10:00 PM May 21, 2001 on The History Channel



  • Trivia

    • Secret flag signals were used extensively on the battlefield in the American Civil War.

    • American codebreaker William Friedman invented several cryptologic machines, two of which were so secret patents were never filed.

  • Quotes

    • Narrator: Caesar altered his alphabet, the Nazi's had Enigma, computers and digital encryption, the attempts to make and break these secret methods of scrambled communication have changed have changed the course of history. Now: Codes, on Modern Marvels.

  • Notes

    • Commentators:

      Dr. David Hatch
      Director, Center for Cyptologic History

      Dr. David Kahn
      Author, The Codebreakers

      Stephen Budiansky
      Author, Battle of Wits

      Arthur Levenson
      Bletchley Park Codebreaker

      Samuel Billison
      President, Navajo Codetalkers Association

      Phil Zimmermann
      Inventor, Pretty Good Privacy

      Prof. Leonard Adleman
      Co-Inventor, RSA Crypto Cipher

      Dr. Dorothy E. Denning
      Professor, Georgetown University

  • Allusions