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Darold Treffert (1933—2020), autism researcher who consulted on “Rain Man”
Darold Treffert was a psychiatrist whose pioneering research helped us better understand autism and savant syndrome.Treffert began studying autism in the 1960s, a time when it was still largely misunderstood. Working out of Agnesian HealthCare in Fond du Lac, Treffert explored how the minds of people on the autism spectrum work.