5-18-1901

Peirce wrote Plimpton about the Liber abaci of Fibonacci. Logician Charles Sanders Peirce wrote to George Arthur Plimpton, famous collector of rare mathematical books, describing what the contents of a newly acquired book must be were it indeed the great Liber abaci of Fibonacci. In 1949, Carolyn Eisele's discovery of this letter, still tucked into the back cover of the volume, began her career as a Peirce scholar.

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Charles Peirce
Leonardo Pisano Fibonacci