What is John Langdon Down?
{{Infobox person | name = John Langdon Down | image = Portrait of John Langdon Down (c 1870) by Sydney Hodges.jpg | alt = | caption = Portrait of Down | birth_name = John Langdon Haydon Down | birth_date = {{Birth date|1828|11|18|df=yes}} | birth_place = [[Torpoint]], [[Cornwall]], UK | death_date = {{Death date and age|1896|10|07|1828|11|18|df=yes}} | death_place = [[Teddington]], [[Middlesex]], UK | other_names = | occupation = Medical doctor | known_for = First to describe [[Down syndrome]] | children = 4 Everleigh, Lilian, Reginald and Percival }} '''John Langdon Haydon Down''' (18 November 1828 – 7 October 1896) was a British physician. He was best known for his description of the genetic condition now known as [[Down syndrome]], which he originally discovered in 1862.<ref>{{cite web|url=http://munksroll.rcplondon.ac.uk/Biography/Details/2636|title=Munks Roll Details for John Langdon Haydon Langdon-Down|website=munksroll.rcplondon.ac.uk|access-date=2020-02-20|archive-date=2018-03-10|archive-url=https://web.archive.org/web/20180310201659/http://munksroll.rcplondon.ac.uk/Biography/Details/2636|url-status=dead}}</ref> ==References== {{reflist}} ==Other websites== * [http://www.langdondowncentre.org.uk Langdon Down Centre, Normansfield, Middlesex] * [http://londonist.com/2009/10/londonist_discovers_normansfield_ho.php Londonist Discovers Normansfield Hospital Entertainment Hall] {{DEFAULTSORT:Down, John Langdon}} [[Category:1828 births]] [[Category:1896 deaths]] [[Category:People from Cornwall]] {{bio-stub}} [[Category:English physicians]]