Harold J. Morowitz is Clarence Robinson Professor of Biology and Natural Philosophy at George Mason University and the former Director of the Krasnow Institute for Advanced Study, in Fairfax, Virginia. A leading figure in the study of complexity, he was Editor-in-Chief of the journal Complexity and is co-chair of the science board of the Santa Fe Institute. His writing has appeared in The New York Times, Discover, The Washington Post, The Sciences, and Psychology Today.