John Langdon Down

1828 - 1896

John Langdon Down

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. Read more on Wikipedia

Since 2007, the English Wikipedia page of John Langdon Down has received more than 200,005 page views. His biography is available in 27 different languages on Wikipedia making him the 105th most popular physician.

Memorability Metrics

  • 200k

    Page Views (PV)

  • 62.56

    Historical Popularity Index (HPI)

  • 27

    Languages Editions (L)

  • 8.16

    Effective Languages (L*)

  • 1.99

    Coefficient of Variation (CV)

Page views of John Langdon Downs by language


Among physicians, John Langdon Down ranks 104 out of 438Before him are Peter Canisius, Theodor Morell, Werner Forssmann, Jang-geum, Alexandre Yersin, and Richard von Krafft-Ebing. After him are Ferid Murad, Eric Kandel, John Eccles, Herbert Spencer Gasser, Giovanni Alfonso Borelli, and Joseph Erlanger.

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Among people born in 1828, John Langdon Down ranks 12Before him are Hippolyte Taine, Rani of Jhansi, Dante Gabriel Rossetti, Charbel Makhlouf, Randal Cremer, and Nikolay Chernyshevsky. After him are Louise of the Netherlands, Albert of Saxony, Joseph Swan, Paul Gachet, Albert Marth, and Alexander Butlerov. Among people deceased in 1896, John Langdon Down ranks 14Before him are Otto Lilienthal, Hippolyte Fizeau, John Everett Millais, Harriet Beecher Stowe, Naser al-Din Shah Qajar, and José Rizal. After him are H. H. Holmes, Edmond de Goncourt, Ambroise Thomas, Louis-Jules Trochu, Richard Avenarius, and Ivar Aasen.

Others Born in 1828

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Others Deceased in 1896

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In United Kingdom

Among people born in United Kingdom, John Langdon Down ranks 553 out of 5,347Before him are Olivia Newton-John (1948), Marie of Romania (1875), Sean Bean (1959), John Couch Adams (1819), Wentworth Miller (1972), and Henry Fielding (1707). After him are Andrew Huxley (1917), Ralph Fiennes (1962), Edward of Westminster, Prince of Wales (1453), Catherine Zeta-Jones (1969), George Mallory (1886), and Ann Radcliffe (1764).

Among PHYSICIANS In United Kingdom

Among physicians born in United Kingdom, John Langdon Down ranks 6Before him are Edward Jenner (1749), William Harvey (1578), James Parkinson (1755), Robert Edwards (1925), and Joseph Lister (1827). After him are Edgar Adrian (1889), Niels Kaj Jerne (1911), Alan Hodgkin (1914), Hans Sloane (1660), Elizabeth Blackwell (1821), and John Snow (1813).