Lawrence Krauss is an internationally known theoretical physicist. He is the Director of the Origins Project and Professor of Physics at the School of Earth and Space Exploration at Arizona State University. Krauss has written several bestselling books including A Universe From Nothing: Why There Is Something Rather Than Nothing (2012). Passionate about educating the public about science to ensure sound public policy, Krauss has helped lead a national effort to defend the teaching of evolution in public schools. He currently serves as the Chair of the Board of the Bulletin of Atomic Scientists.