For the first time in Extraordinary People, the psychiatrist who was a consultant to the movie Rain Man, collects the most fascinating cases of Savant Syndrome both in history and modern times. Dr. Treffert documents the spectacular abilitiesthe islands of geniusin these remarkable persons, and describes as well the love, determination and dedication of their equally remarkable families, teachers and caretakers. He shares the observations of the far-reaching implications this astonishing condition has for understanding brain function and hidden potential in all of us.