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The Founding Fathers Encrypted Secret Messages, Too

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Jefferson cylinder cipher

A replica of a Jefferson cylinder cipher at the National Cryptologic Museum.

Credit: Wikimedia Commons

Thomas Jefferson is known for a lot of things—writing the Declaration of Independence, founding the University of Virginia, owning hundreds of slaves despite believing in the equality of men—but his place as the "Father of American Cryptography" is not one of them.

From The Atlantic
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