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Donald Gray Triplett (September 8, 1933 – June 15, 2023) was an American banker known for being the first person diagnosed with autism. He was first diagnosed by Leo Kanner in 1943, and was labeled as "Case 1".
- June 15, 2023 (aged 89), Forest, Mississippi, U.S.
- Donald Gray Triplett, September 8, 1933, Forest, Mississippi, U.S.
- Banker
- First person to be diagnosed as autistic
June 15, 2023, Forest, Mississippi (aged 89) Donald Triplett (born September 8, 1933, Forest, Mississippi, U.S.—died June 15, 2023, Forest, Mississippi) American male who was the first person diagnosed with autism. Triplett was the eldest son of an affluent family; his mother’s family had founded the local bank in Forest, Mississippi, and ...
- Richard Pallardy
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SCIENCE. The Early History of Autism in America. A surprising new historical analysis suggests that a pioneering doctor was examining people with autism before the Civil War. John Donvan and...
Jan 21, 2016 · The scholarly paper which first put autism on the map as a recognisable diagnosis listed Donald as "Case 1" among 11 children who - studied by Baltimore psychiatrist Leo Kanner - crystallised...
May 9, 2018 · Why was autism initially considered a psychiatric condition? When Leo Kanner, an Austrian-American psychiatrist and physician, first described autism in 1943, he wrote about children with “extreme autistic aloneness,” “delayed echolalia” and an “anxiously obsessive desire for the maintenance of sameness.” He also noted that the ...
Jun 20, 2023 · In 1943, he was the boy identified only as “Case 1, Donald T” in the set of case histories that formed the foundation for the diagnosis of autism. He was, effectively, the first child ...
The first widely accepted diagnostic criteria for autism were established by the British Working Group in 1961. This group was chaired by Dr. Mildred Creak, one of the legendary pioneers in the field. The criteria consisted of a specific list of observable symptoms and behaviors that were required in order to receive a formal diagnosis of autism.
