Galileo Galilei Italian Scientist 1564-1642 Grew up with a high class mother and lower class father. Invented a stronger telescope. Discovered Saturn's rings, that earth orbits the sun, the mountains and valleys on the moon and sunspots. Attended a monastery but was pulled out to become educated at a university. His ideas of the earth orbiting the sun instead of the sun orbiting the earth were not accepted by the church.