ROBERT M. HAZEN is the author of more than 350 articles and 20 books on earth science, materials science, origins of life, history and music. A Fellow of the American Association for the Advancement of Science, he received the Mineralogical Society of America Award, the Ipatief Prize, the ASCAP-Deems Taylor Award, and other awards for his research and writing. Hazen is a researcher at the Carnegie Institution for Science and is Robinson Professor of Earth Sciences at George Mason University. His recent books include Genesis- The Scientific Quest for Life's Origins and The Sciences- An Integrated Approach (with James Trefil). JAMES TREFIL, Robinson Professor of Physics at George Mason University, is the author of over 40 books and 100 articles in professional journals. He is a fellow of the American Physical Society, the American Association for the Advancement of Science, and the World Economic Forum. He is the recipient of the Andrew Gemant Award (American institute of Physics), the Westinghouse and Subaru Awards (American Association for the Advancement of Science) and the 2008 Science Writing Award (American Physical Society). His most recent books are Why Science and The Sciences- An Integrated Approach (with Robert Hazen).