Injury prevention strategies cover a variety of approaches, many of which are classified as falling under the â3 Eâsâ of injury prevention: education, engineering modifications, and enforcement/enactment.
Lived c. 1170 â c. 1245. Fibonacci was the greatest Western mathematician of the Middle Ages. In the absence of his contributions, the scientific revolution started by Nicolaus Copernicus in 1543 would not have been possible. Fibonacci introduced the modern number system to the West, which ultimately allowed science and mathematics to flourish.
The Origin of Zero. The number zero as we know it arrived in the West circa 1200, most famously delivered by Italian mathematician Fibonacci (aka Leonardo of Pisa), who brought it, along with the rest of the Arabic numerals, back from his travels to north Africa.