The New York Times calls Carl Zimmer “as fine a science essayist as we have.” In his widely admired books, essays, and blogs, Zimmer charts the frontiers of biology. Booklist acclaimed his most recent title A Planet of Viruses as “absolutely top-drawer popular science writing.” Zimmer is a lecturer at Yale University, where he teaches writing about science and the environment. He is also the first Visiting Scholar at the Science, Health, and Environment Reporting Program at New York University’s Arthur L. Carter Journalism Institute. W. Ian Lipkin, MD, is the director of the Center for Infection and Immunity, John Snow Professor of Epidemiology, and professor of neurology and pathology in the Mailman School of Public Health and the College of Physicians and Surgeons at Columbia University. His specialty is detecting new viruses and testing links between viruses and diseases. In A Planet of Viruses, Zimmer describes Lipkin's discovery of West Nile Virus in the United States, as well as his work uncovering hidden strains of the common cold. Zimmer also profiled Lipkin in November 2010 for the New York Times.