He was born on February 15, 1564, in Pisa, Italy.
He died on January 8, 1642, in Arcetri, Florence, Italy.
Galileo Galilei is generally known for the trial to which he was subjected, by the Catholic Church, for defending the heliocentric system against the geocentric system.
The greatest contribution of this great scientist to science was the introduction of the experimental method, which was a scientific revolution and laid the foundations of modern science.