Part 1 of Essay
The term " was first used more than 50 years ago by psychiatrist named Dr. Leo Kanner. He was working at Johns Hopkins University’s, Child Psychiatric Clinic with a group of children who were most often classified as emotionally disturbed or mentally retarded. Dr. Kanner noticed a pattern of symptoms about these children. ....

Part 2 of Essay
.... in some woods. He was mute and self absorbed in his self. (1) John Haslam also noted about a boy, who after getting measles, his behavior changed and he became aggressive, showing signs of being impulsive and other problems. In the early 1900s Lightner Witmer wrote about a boys problem, describing his behavior, which would more than likely be labeled as today. Several old theories about the cause of have been proven false. is not a mental illness. Children with are not uncooperative kids with a behavior prob ....