By what name was the mathematician 'Leonardo of Pisa' better known?
Fibonacci Fibonacci Fibonacci (c. 1175 – c. 1250) was an Italian mathematician from the Republic of Pisa, considered to be "the most talented Western mathematician of the Middle Ages". The name he is commonly called, "Fibonacci" (), was made up in 1838 by the Franco-Italian historian Guillaume Libri and is short for ("son of Bonacci") and he is also known as Leonardo Bonacci, Leonardo of Pisa, or Leonardo Bigollo ("traveller") Pisano. Fibonacci popularized the Hindu–Arabic numeral system in the Western World primarily through his composition in 1202 of "Liber Abaci" ("Book of Calculation"). He also introduced Europe to the sequence of
Leonardo Ortolani Leonardo Ortolani Leonardo Ortolani (born 14 January 1967), better known as Leo, is an Italian comics author, creator of the popular comic book series" Rat-Man "and "Venerdì 12". He was born in Pisa. In 1968 Ortolani moved to Parma, where he still lives with his wife Caterina and his adoptive daughters Johanna and Lucy Maria. From an early age, Ortolani showed a great passion for the world of comic books, and in particular" The Fantastic Four" by Jack Kirby and Stan Lee, which will affect its style of narrative. After finishing high school, he enrolled at the University of Parma