While about 15, Raphael became an apprentice at the workshop of the painter Pietro Perugino, called by that name because he was the most famous painter in the town of Perugia. Perugino was famous, not only in Umbria, but also in Rome and in Florence, the home of Leonardo and Michelangelo. He had been one of the artists given the important job of painting the Pope's large chapel in the Vatican, the Sistine Chapel.