Galileo ,called as the father of modern science was born in Piso ,Italy in 1564 A.D. By his father's will at first he went to study medicine but later on he choose his carrier in science and mathematics.He made the first telescope to observe stars and planets.He also discovered 4 revolving moons around the Jupiter which are named after him.He proved about sun being the center of solar system.He is the 1st one to say that earth revolves around the sun but he was criticized.He died in the year 1642 in his old days.