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A man named Leonardo Pisano, who was known by his nickname, Fibonacci, and named the series after himself, first discovered the Fibonacci sequence around 1200 A.D. The Fibonacci sequence is a sequence in which each term is the sum of the 2 numbers preceding it. The first 10 Fibonacci numbers are: (1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89). These numbers are obviously recursive.
Fibonacci, known in his day as Leonardo of Pisa, was an Italian mathematician who lived during the Middle Ages. He is widely regarded as the finest mathematician of his age, and although little is known about him, most of us use the contributions of Fibonacci to society every day.