John Rennie Short is a Professor in the School of Public Policy, University of Maryland Baltimore County. His research interests include cities, history of cartography and geopolitics. He is the author of 47 books. His work has been translated into Chinese, Czech, Japanese, Korean and Spanish. His essays have appeared in Newsweek, PBS Newshour, Quartz, Salon, Slate, Time, US News and World Report, Washington Post and World Economic Forum.