Fibonacci

"Leonardo Fibonacci was born around AD 1170 to Guglielmo Fibonacci, a wealthy Italian merchant. Guglielmo directed a trading post (by some accounts he was the consultant for Pisa) in Bugia, a port east of Algiers in the Almohad dynasty's sultanate in North Africa (now Bejaia, Algeria). "

Leonardo Pisano Bogollo, (c. 1170 – c. 1250) also known as Leonardo of Pisa, Leonardo Pisano, Leonardo Bonacci, Leonardo Fibonacci, or, most commonly, simply Fibonacci, was an Italian mathematician, considered by some "the most talented western mathematician of the Middle Ages."

Fibonacci is best known to the modern world for:

* The spreading of the Hindu-Arabic numeral system in Europe, primarily through the publication in the early 13th century of his Book of Calculation, the Liber Abaci.

* A number sequence named after him known as the Fibonacci numbers, which he did not discover but used as an example in the Liber Abaci.

Fibonacci
Nationality: Italian
Fields: Mathematician

Known for:

Fibonacci number
Fibonacci prime
Brahmagupta–Fibonacci identity
Fibonacci polynomials
Fibonacci pseudoprime
Fibonacci word
Reciprocal Fibonacci constant
Introduction of digital notation to Europe
Pisano period
Practical number