Paul A. Offit is the director of the Vaccine Education Center at the Children's Hospital of Philadelphia as well as the Maurice R. Hilleman Professor of Vaccinology and professor of pediatrics at the Perelman School of Medicine at the University of Pennsylvania. He is an award-winning physician, coinventor of a rotavirus vaccine, and the author of several books on medical and scientific issues including, from Columbia University Press, Autism's False Prophets: Bad Science, Risky Medicine, and the Search for a Cure (2007) and Vaccines and Your Child: Separating Fact from Fiction (2011, with Charlotte A. Moser).