Leonardo Fibonacci

1170 - 1240 Renaissance Italian

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Biographical Core

Leonardo Bonacci, known as Fibonacci or Leonardo of Pisa, was an Italian mathematician born around 1170 in Pisa. Son of a merchant in Bugia, Algeria, he traveled extensively in the Mediterranean, learning the Hindu-Arabic numeral system and advanced mathematics from Arab scholars. In 1202, he published Liber Abaci, introducing Indo-Arabic numerals and the Fibonacci sequence to Europe, revolutionizing commerce and calculation. Recognized by Pisa with a salary in 1240 for his advisory services, he is hailed as the most talented Western mathematician of the Middle Ages.

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