John Langdon Down

John Langdon Haydon Langdon-Down (1828 - 1896)

John Langdon Haydon Langdon-Down (1828 – 1896) was an English

  • Born 18 November 1828 Torpoint, Cornwall, England
  • Royal Earlswood Asylum for Idiots (Redhill, Surrey, England)
  • Died 7 October 1896 in Teddington, Middlesex, England

Medical Eponyms
Down syndrome (1866)

Key Medical Attributions

Major Publications


Name: Referred to as J. Langdon H. Down; J Langdon-Down, JHL Down, John L. H. Langdon-Down. In fact he changed his name by deed poll in 1868 to “John Langdon Haydon Langdon-Down


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