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Math Trek

Benjamin Franklin Plays Sudoku

Founding father entertained himself devising beautiful mathematical puzzles

By
3:28pm, January 22, 2008

Only in the last five years has sudoku been capturing people's recreational time. But 250 years ago, Benjamin Franklin was developing fascinating puzzles with principles quite similar to sudoku, keeping himself occupied while taking a break from his electrical investigations. Now, a mathematician has discovered two Franklin puzzles even more fantastic than those previously known and written a book describing all of Franklin's mathematical endeavors.

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