Richard Dawkins is one of the most respected scientists and secularists in the world. From 1995 to 2008 he was the Charles Simonyi Professor of the Public Understanding of Science at Oxford University. He is an internationally best-selling author, with books including The Selfish Gene, The God Delusion and The Greatest Show on Earth. He is a Fellow of the Royal Society and of the Royal Society of Literature. His around-the-world speaking tour is the focus of recent documentary The Unbelievers, which also features appearances by Woody Allen, Stephen Colbert, Cameron Diaz, Ian McEwan, Ricky Gervais, Stephen Hawking, Eddie Izzard, Bill Pullman, and Sarah Silverman. In 2013 he published his autobiography An Appetite for Wonder, which is followed by a second volume, Brief Candle in the Dark: My Life in Science, to be published in September 2015.