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Edward Hartley Angle was an American dentist, widely regarded as "the father of American orthodontics". He was trained as a dentist, but made orthodontics his speciality and dedicated his life to standardizing the teaching and practice of orthodontics. He founded the Angle School of Orthodontia in 1899 in St. Louis and schools in other regions of the United States. As the originator of the profession, Angle founded three orthodontic schools between 1905 and 1928 in St. Louis, Missouri, New London, Connecticut and Pasadena, California. These exclusive institutions provided the opportunity for several pioneering American orthodontists to receive their training.