Leonardo Pisano Blgollo

Living from 1170 to 1250, in the present-day Pisa, Italy, Leonardo Fibonacci is known by various names. Being of Pisa, he is called Leonardo of Pisa, which in Italian is Leonardo Pisano but he is better known by his nickname Fibonacci. His full name was Leonardo Pisano Bigollo. Historians are not sure what "bigollo" means. It could mean "traveller" or "good-for-nothing". Fibonacci was born in Italy but obtained his education in North Africa where his father held a diplomatic post. Fibonacci was taught mathematics in Bugia and travelled widely with his father, recognizing the enormous advantages of the mathematical systems used in the countries they visited.

Fibonacci ended his travels around the year 1200 and at that time he returned to Pisa. There he wrote a number of important texts which played an important role in reviving ancient mathematical skills and he made significant contributions of his own. Of his books we still have copies of Liber abbaci (1202), Practica geometriae (1220), Flos (1225), and Liber quadratorum (1225).

Fibonacci is considered to be one of the most talented mathematicians for the Middle Ages. He is renowned for introducing Fibonacci Series and the Arabic numbering system in Europe. Few people realise that it was Fibonacci that gave us our decimal number system (Hindu-Arabic numbering system) which replaced the Roman Numeral system. He shows how to use our current numbering system in his book Liber abaci. His work is still known as the major contribution in the development of the field of modern mathematics.

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