George H. Smith is a freelance writer who writes a weekly article for the Cato Institute (libertarianism.org) titled "Excursions into the History of Libertarian Thought." He is the author of Atheism: The Case against God; Atheism, Ayn Rand, and Other Heresies; Why Atheism?; and The System of Liberty: Themes in the History of Classical Liberalism. Since 1971, he has written more than one hundred articles and book reviews that have appeared in a wide range of publications, including the New York Times, the Arizona Daily Star, Newsday, Reason, Free Inquiry, the Humanist, and Inquiry, among many others. He was formerly senior research fellow for the Institute for Humane Studies, a lecturer on American history for Cato Summer Seminars, and executive editor of Knowledge Products.