Raphael, who painted School of Athens on page 5, was a great Renaissance master, but he didn’t invent perspective. His teacher, Pietro Perugino (Pee-EH-troh Pehr-ooh-JEEN-oh), taught him. In Perugino’s painting above, done 30 years before Raphael’s, large detailed figures stand in the foreground and the figures in the background are smaller and harder to see. As in Raphael’s painting, all of the architectural lines recede to a single vanishing point.