Leonardo Fibonacci

Leonardo Pisano, or better known as Leonardo Fibonacci, was born in Pisa, Italy around 1170. His father was Guilielmo Bonacci, a secretary of the Republic of Pisa and responsible for directing the trading colony in Bugia, Algeria. It was here that Fibonacci received most of his education.
Some time after 1192, Fibonacci moved to Bugia with his father. His father wanted Leonardo to become a merchant there and arranged for his instruction in calculation techniques, especially involving the Hindu-Arabic numerals. Soon, Leonardo was helping his father carry out business for the Pisan republic, and was sent on trips to Egypt, Syria, Greece, Sicily, and Provence. Leonardo took these trips as an opportunity to learn the different mathematical techniques used in these regions. Leonardo ended his travels around the year 1200 and returned to Pisa, where, for the next twenty-five years, he worked on his own mathematical compositions. The five main works of this period are the Liber a...