Donald Jay Cohen (September 5, 1940 – October 2, 2001) was an American psychiatrist, psychoanalyst, and director of the Yale Child Study Center and the Sterling Professor of Child Psychiatry, Pediatrics and Psychology at the Yale School of Medicine. According to the New York Times, he was "known for his scientific work, including fundamental contributions to the understanding of autism, Tourette's syndrome and other illnesses, and for his leadership in bringing together the biological and the psychological approaches to understanding psychiatric disorders in childhood"; his work "reshaped the field of child psychiatry". He was also known as an advocate for social policy, and for his work to promote the interests of children exposed to violence and trauma. Source: Wikipedia (en)