Laurence Kim Peek (November 11, 1951 – December 19, 2009) was an American savant. Known as a "megasavant", he had an exceptional memory, but he also experienced social difficulties, possibly resulting from a developmental disability related to congenital brain abnormalities. He was the inspiration for the character Raymond Babbitt in the 1988 movie Rain Man. Although Peek was previously diagnosed with autism, he is now thought to have had FG syndrome. The Utah Film Center's Peek Award honors his legacy.
Laurence Kim Peek was born in Salt Lake City, Utah, with macrocephaly, damage to the cerebellum, and agenesis of the corpus callosum, a condition in which the bundle of nerves that connects the two hemispheres of the brain is missing; in Peek's case, secondary connectors such as the anterior commissure were also missing. There is speculation that his neurons made unusual connections due to the absence of a corpus callosum, resulting in an increased memory capacity. According to Peek's father, Fran (Francis) Peek, Kim was able to memorize things from the age of 16–20 months. Peek read books, memorized them, and then placed them upside down on the shelf to show that he had finished reading them, a practice he maintained all his life. He could speed through a book in about an hour and remember almost everything he had read, memorizing vast amounts of information in subjects ranging from history and literature, geography and numbers to sports, music and dates. Peek read by scanning the left page with his left eye, while reading the right page with his right eye.
Peek did not walk until he was four years old, and even then in a sidelong manner. He could not button up his shirt and had difficulty with other ordinary motor skills, presumably due to his damaged cerebellum, which normally coordinates motor activities. In psychological testing, Peek yielded superior ability in the performance sub-tests and limited ability in the verbal sub-tests, leading his overall IQ of 87 not to be considered a valid measure of his cognitive ability.
According to an article in The Times newspaper, he could accurately recall the contents of at least 12,000 books. Peek lived in Murray, Utah, and spent a considerable amount of his time reading at the Salt Lake City Library and demonstrating his capabilities at schools, with great help from his father.
According to wikipedia