Richard Dawkins writes about such topics as DNA and genetic engineering, virtual reality, astronomy, and evolution. Dawkins was educated at Oxford University and taught zoology at the University of California and Oxford University, holding the position of the Charles Simonyi Professor of the Public Understanding of Science. He is a member of the International Academy of Humanism. Dawkins's books include The Selfish Gene, The Extended Phenotype, The Blind Watchmaker, River Out of Eden, and Climbing Mount Improbable.