Handout

Discovering Lewis & Clark: Cryptography

Curated by ACT

Learn about the origins and history of cryptology and how Thomas Jefferson urged Lewis to use a cipher to keep him informed about the progress of the expedition.

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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information