He was one of the first modern scientists. He was born in Pisa,Italy,in 1564. At first he studied philosophy. But later he studied earth and other planets move around the sun. He found out several important facts about our world. He also started a new way of working in science. Before he,scientists did not do experiments. They just guessed about how something happend. But he was different. He did not just make guesses. He did experiment and watched to see what happend.