 This mural, titled "The Age of Reptiles", was completed in 1947 and became representative of the modern consensus of dinosaur biology at that time.He later completed a second great mural for the Peabody, "The Age of Mammals", which grew out of a painting published in "Life" magazine in 1953.Zdeněk Burian, working from his native Czechoslovakia, followed the school of Knight and Zallinger, entering modern, biologically-informed paleoart scene via his extensive series of prehistoric life illustrations.