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Shepherd Ivory Franz (May 27, 1874 – October 14, 1933) was an American psychologist. He was the first chairman of the psychology department at the University of California, Los Angeles and served as president of the American Psychological Association. Franz was the editor of multiple psychological journals and he contributed research to the concepts of neuroplasticity, afterimages and cerebral localization. He spent many years affiliated with George Washington University School of Medicine & Health Sciences and the Government Hospital for the Insane, later known as St. Elizabeth's Hospital.