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    John Langdon Haydon Down (18 November 1828 – 7 October 1896) was a British physician best known for his description of the genetic condition now known as Down syndrome, which he originally classified in 1862. He is also noted for his work in social medicine and as a pioneer in the care of … See more

    Down was born in Torpoint, Cornwall, the youngest of seven children of the merchant Thomas Joseph Down. His father was originally from Derry in Ireland, and his mother, Hannah Haydon, from North Devon. His … See more

    Down entered the Royal London Hospital as a student in 1853. One of his teachers was William John Little (of Little's disease). There he had a … See more

    His two surviving sons, Reginald and Percival, both qualified in medicine at the London Hospital, joined their father, and became responsible for the hospital after his death in 1896. … See more

    • GEW Wolstenholme; R Porter (1967). Mongolism: in commemoration of Dr. John Langdon Haydon Down. J & A Churchill. OCLC See more

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    Down decided to transform Earlswood, a large institution which had its origins in two pioneering institutions set up in Highgate and See more

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  2. John Langdon Down: The Man and the Message - Down Syndrome

  3. John Langdon Down (1828 – 1896) - PMC - National Center for ...

  4. WebDr John Langdon Down by Professor O Conor Ward. John Langdon Haydon Down was born on November 18th 1828 at Torpoint in Cornwall. He was baptised in the Bethel Independent Chapel. In 1868, he changed …

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