Robert M. Hazen is a scientist at the Carnegie Institution of Washington where he conducts astrobiological research in the Geophysical Laboratory. He is also the Clarence Robinson Professor of Earth Science at George Mason University. He received his M.S. in geology from the Massachusetts Institute of Technology and his Ph.D. in earth sciences from Harvard University. Dr. Hazen is the author of The Breakthrough, Why Aren't Black Holes Black and the best-selling Science Matters: Achieving Scientific Literacy which he coauthored with James Trefil. Hazen and his wife live in Glen Echo, Maryland.