# Galileo Galilei |  | Galileo di Vincenzo Bonaiuti de' Galilei, commonly referred to as **Galileo Galilei** or simply Galileo, was an Italian astronomer, physicist and engineer, sometimes described as a polymath. He was born in the city of Pisa, then part of the Duchy of Florence. Galileo has been called the father of observational astronomy, modern-era classical physics, the scientific method, and modern science. | |-|-| | | wikipedia:: [Galileo Galilei](https://en.wikipedia.org/wiki/Galileo_Galilei) |