Galileo Galilei      Galileo Galilei was born on February 15,
1564 in Pisa. Over the period of his life he became known as the
"Father of Modern Physics" and the "Father of Modern Science."
He was one of the first people to play a major role in the
scientific revolution. He is known greatly for his improvements
to the telescope and the many astronomical observations he made.
Galileo discovered Jupiter's four moons and discovered, as well
as analyzed, sunspots. Galileo was a great supporter of
Copernicanism, the belief that the earth rotates daily on its
axis while the planets revolve in orbits around the sun, and
improved heliocentrist, the astronomical theory that the Earth
and planets revolve around the sun, and that that the sun is
stationary and at the center of the universe.