Donald Triplett

Donald Triplett
Triplett in 2016
Born
Donald Gray Triplett

(1933-09-08)September 8, 1933
DiedJune 15, 2023(2023-06-15) (aged 89)
Forest, Mississippi, U.S.
OccupationBanker
Known forFirst person to be diagnosed as autistic

Donald Gray Triplett (September 8, 1933 – June 15, 2023) was an American banker known for being the first person diagnosed with autism.[1] He was first diagnosed by Leo Kanner in 1943 and was labeled as "Case 1".[2][3] Triplett was noted for his savant abilities, particularly the ability to name musical notes played on a piano and the ability to perform rapid mental multiplication.[4]

  1. ^ "Donald Triplett, the 1st person to be diagnosed with autism, dies at 89". Associated Press News. June 16, 2023.
  2. ^ Kanner, L (1943). "Autistic Disturbances of Affective Contact" (PDF). Nervous Child. 2 (4): 217–50. ISSN 0099-4286. PMID 4880460.
  3. ^ Cite error: The named reference Britannica was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Atlantic was invoked but never defined (see the help page).