- Biography of Fibonacci (1170-1250) ...www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Fibonacci.html
- Fibonacci, Leonardo of Pisa, Leonardo Pisano, lived in Pisa around 1200 and gave his name to the Fibonacci numbers. Who was he What statues are there to see in Pisa He played a major role in introducing our decimal number system and aritmetic methods into Europe to replace the old Roman numerals.www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fibBio.html