PHYSICIAN
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 460,529 page views. His biography is available in 32 different languages on Wikipedia (up from 31 in 2019). John Langdon Down is the 160th most popular physician (down from 151st in 2019), the 805th most popular biography from United Kingdom (down from 781st in 2019) and the 10th most popular British Physician.
John Langdon Down was a doctor who first described what is now known as Down syndrome in 1866.
Memorability Metrics
460k
Page Views (PV)
61.23
Historical Popularity Index (HPI)
32
Languages Editions (L)
6.06
Effective Languages (L*)
2.92
Coefficient of Variation (CV)
Among PHYSICIANS
Among physicians, John Langdon Down ranks 160 out of 726. Before him are Joseph Calasanz, Trota of Salerno, James Black, Carl Ludwig, Severo Ochoa, and Charles Brenton Huggins. After him are George Whipple, Rolf M. Zinkernagel, Agnodice, Robin Cook, Georgios Papanikolaou, and Jean Marc Gaspard Itard.
Most Popular Physicians in Wikipedia
Go to all RankingsJoseph Calasanz
1556 - 1648
HPI: 61.58
Rank: 154
Trota of Salerno
1001 - 1200
HPI: 61.55
Rank: 155
James Black
1924 - 2010
HPI: 61.54
Rank: 156
Carl Ludwig
1816 - 1895
HPI: 61.31
Rank: 157
Severo Ochoa
1905 - 1993
HPI: 61.29
Rank: 158
Charles Brenton Huggins
1901 - 1997
HPI: 61.23
Rank: 159
John Langdon Down
1828 - 1896
HPI: 61.23
Rank: 160
George Whipple
1878 - 1976
HPI: 61.13
Rank: 161
Rolf M. Zinkernagel
1944 - Present
HPI: 61.07
Rank: 162
Agnodice
400 BC - 360 BC
HPI: 61.06
Rank: 163
Robin Cook
1940 - Present
HPI: 61.03
Rank: 164
Georgios Papanikolaou
1883 - 1962
HPI: 61.00
Rank: 165
Jean Marc Gaspard Itard
1774 - 1838
HPI: 60.99
Rank: 166
Contemporaries
Among people born in 1828, John Langdon Down ranks 16. Before him are Dante Gabriel Rossetti, Nikolay Chernyshevsky, Ferdinand Cohn, Albert Marth, Louise of the Netherlands, and Albert of Saxony. After him are Edmond François Valentin About, Paul Gachet, Joseph Swan, Prince Friedrich Karl of Prussia, Alexander Butlerov, and Iosif Gurko. Among people deceased in 1896, John Langdon Down ranks 20. Before him are Harriet Beecher Stowe, H. H. Holmes, Edmond de Goncourt, Louis-Jules Trochu, Richard Avenarius, and Ambroise Thomas. After him are Prince Louis, Duke of Nemours, Ichiyō Higuchi, Prince Henry of Battenberg, Emil du Bois-Reymond, Frederic Leighton, and Maurice de Hirsch.
Others Born in 1828
Go to all RankingsDante Gabriel Rossetti
WRITER
1828 - 1882
HPI: 67.04
Rank: 10
Nikolay Chernyshevsky
WRITER
1828 - 1889
HPI: 65.26
Rank: 11
Ferdinand Cohn
BIOLOGIST
1828 - 1898
HPI: 64.43
Rank: 12
Albert Marth
ASTRONOMER
1828 - 1897
HPI: 63.25
Rank: 13
Louise of the Netherlands
COMPANION
1828 - 1871
HPI: 63.04
Rank: 14
Albert of Saxony
POLITICIAN
1828 - 1902
HPI: 62.20
Rank: 15
John Langdon Down
PHYSICIAN
1828 - 1896
HPI: 61.23
Rank: 16
Edmond François Valentin About
WRITER
1828 - 1885
HPI: 59.98
Rank: 17
Paul Gachet
PHYSICIAN
1828 - 1909
HPI: 59.63
Rank: 18
Joseph Swan
PHYSICIST
1828 - 1914
HPI: 58.85
Rank: 19
Prince Friedrich Karl of Prussia
POLITICIAN
1828 - 1885
HPI: 58.66
Rank: 20
Alexander Butlerov
CHEMIST
1828 - 1886
HPI: 58.50
Rank: 21
Iosif Gurko
MILITARY PERSONNEL
1828 - 1901
HPI: 57.34
Rank: 22
Others Deceased in 1896
Go to all RankingsHarriet Beecher Stowe
WRITER
1811 - 1896
HPI: 64.98
Rank: 14
H. H. Holmes
EXTREMIST
1861 - 1896
HPI: 64.35
Rank: 15
Edmond de Goncourt
WRITER
1822 - 1896
HPI: 63.78
Rank: 16
Louis-Jules Trochu
POLITICIAN
1815 - 1896
HPI: 63.75
Rank: 17
Richard Avenarius
PHILOSOPHER
1843 - 1896
HPI: 62.29
Rank: 18
Ambroise Thomas
COMPOSER
1811 - 1896
HPI: 61.70
Rank: 19
John Langdon Down
PHYSICIAN
1828 - 1896
HPI: 61.23
Rank: 20
Prince Louis, Duke of Nemours
POLITICIAN
1814 - 1896
HPI: 60.33
Rank: 21
Ichiyō Higuchi
WRITER
1872 - 1896
HPI: 60.06
Rank: 22
Prince Henry of Battenberg
POLITICIAN
1858 - 1896
HPI: 59.86
Rank: 23
Emil du Bois-Reymond
PHYSICIAN
1818 - 1896
HPI: 59.22
Rank: 24
Frederic Leighton
PAINTER
1830 - 1896
HPI: 58.70
Rank: 25
Maurice de Hirsch
BUSINESSPERSON
1831 - 1896
HPI: 57.88
Rank: 26
In United Kingdom
Among people born in United Kingdom, John Langdon Down ranks 805 out of 8,785. Before him are John Ambrose Fleming (1849), Mary, Princess Royal and Countess of Harewood (1897), William Ewart Gladstone (1809), David Harvey (1935), John Vane (1927), and George Herbert, 5th Earl of Carnarvon (1866). After him are Adam Ferguson (1723), Diana Wynne Jones (1934), Robert Graves (1895), David Cameron (1966), Osborne Reynolds (1842), and John Ray (1627).
Others born in United Kingdom
Go to all RankingsJohn Ambrose Fleming
ENGINEER
1849 - 1945
HPI: 61.32
Rank: 799
Mary, Princess Royal and Countess of Harewood
COMPANION
1897 - 1965
HPI: 61.32
Rank: 800
William Ewart Gladstone
POLITICIAN
1809 - 1898
HPI: 61.30
Rank: 801
David Harvey
GEOGRAPHER
1935 - Present
HPI: 61.30
Rank: 802
John Vane
CHEMIST
1927 - 2004
HPI: 61.27
Rank: 803
George Herbert, 5th Earl of Carnarvon
ARCHAEOLOGIST
1866 - 1923
HPI: 61.24
Rank: 804
John Langdon Down
PHYSICIAN
1828 - 1896
HPI: 61.23
Rank: 805
Adam Ferguson
PHILOSOPHER
1723 - 1816
HPI: 61.21
Rank: 806
Diana Wynne Jones
WRITER
1934 - 2011
HPI: 61.19
Rank: 807
Robert Graves
WRITER
1895 - 1985
HPI: 61.18
Rank: 808
David Cameron
POLITICIAN
1966 - Present
HPI: 61.17
Rank: 809
Osborne Reynolds
PHYSICIST
1842 - 1912
HPI: 61.17
Rank: 810
John Ray
BIOLOGIST
1627 - 1705
HPI: 61.16
Rank: 811
Among PHYSICIANS In United Kingdom
Among physicians born in United Kingdom, John Langdon Down ranks 10. Before him are Joseph Lister (1827), James Parkinson (1755), Niels Kaj Jerne (1911), John Snow (1813), Edgar Adrian (1889), and James Black (1924). After him are Frederick Griffith (1879), Alan Hodgkin (1914), Hans Sloane (1660), Thomas Willis (1621), Mungo Park (1771), and James Lind (1716).
Joseph Lister
1827 - 1912
HPI: 64.93
Rank: 4
James Parkinson
1755 - 1824
HPI: 63.91
Rank: 5
Niels Kaj Jerne
1911 - 1994
HPI: 63.68
Rank: 6
John Snow
1813 - 1858
HPI: 62.82
Rank: 7
Edgar Adrian
1889 - 1977
HPI: 62.82
Rank: 8
James Black
1924 - 2010
HPI: 61.54
Rank: 9
John Langdon Down
1828 - 1896
HPI: 61.23
Rank: 10
Frederick Griffith
1879 - 1941
HPI: 60.66
Rank: 11
Alan Hodgkin
1914 - 1998
HPI: 60.15
Rank: 12
Hans Sloane
1660 - 1753
HPI: 59.99
Rank: 13
Thomas Willis
1621 - 1675
HPI: 59.08
Rank: 14
Mungo Park
1771 - 1806
HPI: 59.00
Rank: 15
James Lind
1716 - 1794
HPI: 58.14
Rank: 16