[Dr. Kevin Leman | Dr. Kevin Leman is a New York Times best-selling author, an internationally known psychologist, radio and television personality, and speaker who has taught and entertained audiences worldwide with his wit and commonsense psychology. Dr. Kevin Leman is a New York Times best-selling author, an internationally known psychologist, radio and television personality, and speaker who has taught and entertained audiences worldwide with his wit and commonsense psychology.]