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Donald Gray Triplett

American banker and the first person to be diagnosed with autism (1933–2023)

  • Fame52.3
  • Momentum0.0
  • Wikipedia11.9K
Source-basedFalling
Lived 1933–2023, aged 90United States
United States flagUnited StatesActorsActor
  • Wikipedia
    15 languages
    Cross-language footprint
  • Era
    1933–2023
    Aged 90
  • Known for
    In a Different Key
    2021
Summary
Updated 2026-07-20

Donald Gray Triplett was an American banker known for being the first person diagnosed with autism. He was diagnosed by Leo Kanner in 1943 and was labeled as "Case 1". 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.

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The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Falling
52.3
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical14.2
Source confidence65.0
Completeness75.0
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