About the Author
JAMES TREFIL is a physicist and author of more than 30 books, including The Laws of Nature and Other Worlds: The Solar System and Beyond. He is co-author of an influential textbook, Science Matters: Achieving Scientific Literacy, and was a contributor to National Geographic's Encyclopedia of Space. A former physics professor at University of Virginia, he now teaches physics at George Mason University, and regularly gives presentations to judges and public officials on the intersection of science and law. The author lives in Washington, D.C..