LEONARD SAX, M.D., Ph.D., is a physician and a psychologist and the founder of the National Association for Single-Sex Public Education. His scholarly work has been published in a wide variety of prestigious journals includingAmerican Psychologist,Behavioral Neuroscience,Journal of the American Medical Association,Journal of the American College of Nutrition,Journal of Family Practice,Annals of Family Medicine,Journal of Sex Research,and others. He has been a featured guest on CNN, PBS, Fox News, Voice of America, NPR’sTalk of the Nation,and many other news programs, discussing the importance of sex differences in how children learn.