John M. Barry, Distinguished Scholar at the Tulane/Xavier Center for Bioenvironmental Research, is the author of The Great Influenza: The Story of the Deadliest Pandemic in History (Viking, 2004). This study of the 1918 pandemic was named by the National Academies of Science the year’s outstanding book on science or medicine. He has advised both the Bush and Obama administrations on influenza as well as other federal, state, and World Health Organization officials, and serves on advisory committees of Johns Hopkins Bloomberg School for Public Health and MIT’s Center for Engineering Systems Fundamentals.