 He made illustrations for Life magazine and illustrations for dinosaur books, which made more people aware of his mural work.Because of the time in which they were painted, his murals have errors that are noticeable today but still remain a large achievement in his life.Rudolph Franz Zallinger was born in Irkutsk, Siberia in 1919 to Siberian refugees, Franz Xavier Zallinger and Maria Maria (Koncheravich) Zallinger.