Paul R. Ehrlich, Ph.D., has been a household name since the publication of his 1968 bestseller, The Population Bomb. He is Bing Professor of Population Studies Emeritus and President of the Center for Conservation Biology at Stanford University. Ehrlich is a member of the National Academy of Sciences and a recipient of the Crafoord Prize, the Blue Planet Prize, and numerous other international honors. He investigates a wide range of topics in population biology, ecology, evolution, human ecology, and environmental science. His latest book is "Jaws: The Story of a Hidden Epidemic," co-authored with Sandra Kahn, DDS, published by Stanford University Press. Dr. Sandra Kahn, D.D.S., M.S.D., has twenty-five years of clinical experience in orthodontics and is part of craniofacial anomalies teams at the University of California, San Francisco, and Stanford University. She practices pediatric sleep apnea prevention and whole-body treatment, lectures internationally, and is a co-author of Jaws: The Story of a Hidden Epidemic.