MATHEMATICIAN
Sydney Chapman
1888 - 1970
Sydney Chapman
Sydney Chapman (29 January 1888 – 16 June 1970) was a British mathematician and geophysicist. Read more on Wikipedia
Since 2007, the English Wikipedia page of Sydney Chapman has received more than 8,966 page views. His biography is available in 26 different languages on Wikipedia (up from 24 in 2019). Sydney Chapman is the 536th most popular mathematician (down from 532nd in 2019), the 2,465th most popular biography from United Kingdom (up from 2,557th in 2019) and the 52nd most popular British Mathematician.
Memorability Metrics
9.0k
Page Views (PV)
51.72
Historical Popularity Index (HPI)
26
Languages Editions (L)
6.54
Effective Languages (L*)
2.67
Coefficient of Variation (CV)
Among MATHEMATICIANS
Among mathematicians, Sydney Chapman ranks 536 out of 1,004. Before him are Heinrich Martin Weber, Egon Pearson, Ismaël Bullialdus, Joseph Ludwig Raabe, Erik Ivar Fredholm, and Jakob Hermann. After him are Willem 's Gravesande, Ernst Leonard Lindelöf, Pál Turán, Simon von Stampfer, D. R. Kaprekar, and Luis Caffarelli.
Most Popular Mathematicians in Wikipedia
Go to all RankingsHeinrich Martin Weber
1842 - 1913
HPI: 51.79
Rank: 530
Egon Pearson
1895 - 1980
HPI: 51.78
Rank: 531
Ismaël Bullialdus
1605 - 1694
HPI: 51.76
Rank: 532
Joseph Ludwig Raabe
1801 - 1859
HPI: 51.75
Rank: 533
Erik Ivar Fredholm
1866 - 1927
HPI: 51.73
Rank: 534
Jakob Hermann
1678 - 1733
HPI: 51.72
Rank: 535
Sydney Chapman
1888 - 1970
HPI: 51.72
Rank: 536
Willem 's Gravesande
1688 - 1742
HPI: 51.71
Rank: 537
Ernst Leonard Lindelöf
1870 - 1946
HPI: 51.71
Rank: 538
Pál Turán
1910 - 1976
HPI: 51.71
Rank: 539
Simon von Stampfer
1790 - 1864
HPI: 51.69
Rank: 540
D. R. Kaprekar
1905 - 1986
HPI: 51.67
Rank: 541
Luis Caffarelli
1948 - Present
HPI: 51.65
Rank: 542
Contemporaries
Among people born in 1888, Sydney Chapman ranks 133. Before him are Barry Fitzgerald, Kaarel Eenpalu, Mary Eristavi, Lotte Lehmann, Thomas C. Kinkaid, and Pavel Peter Gojdič. After him are Bruce Fraser, 1st Baron Fraser of North Cape, Raquel Meller, Vladimir Baranov-Rossine, Rachel Cohen-Kagan, Nereu Ramos, and Gustaf Molander. Among people deceased in 1970, Sydney Chapman ranks 136. Before him are Kurt Feldt, Leandro Faggin, Vera Brittain, Ștefan Barbu, Cathy O'Donnell, and Ernest Marsden. After him are Billie Burke, Alan Wilson, Albert Ayler, Soledad Miranda, Shaken Aimanov, and Abraham Alikhanov.
Others Born in 1888
Go to all RankingsBarry Fitzgerald
ACTOR
1888 - 1961
HPI: 52.07
Rank: 127
Kaarel Eenpalu
POLITICIAN
1888 - 1942
HPI: 52.06
Rank: 128
Mary Eristavi
NOBLEMAN
1888 - 1986
HPI: 51.91
Rank: 129
Lotte Lehmann
SINGER
1888 - 1976
HPI: 51.86
Rank: 130
Thomas C. Kinkaid
MILITARY PERSONNEL
1888 - 1972
HPI: 51.79
Rank: 131
Pavel Peter Gojdič
RELIGIOUS FIGURE
1888 - 1960
HPI: 51.76
Rank: 132
Sydney Chapman
MATHEMATICIAN
1888 - 1970
HPI: 51.72
Rank: 133
Bruce Fraser, 1st Baron Fraser of North Cape
MILITARY PERSONNEL
1888 - 1981
HPI: 51.65
Rank: 134
Raquel Meller
SINGER
1888 - 1962
HPI: 51.55
Rank: 135
Vladimir Baranov-Rossine
PAINTER
1888 - 1944
HPI: 51.54
Rank: 136
Rachel Cohen-Kagan
POLITICIAN
1888 - 1982
HPI: 51.51
Rank: 137
Nereu Ramos
POLITICIAN
1888 - 1958
HPI: 51.50
Rank: 138
Gustaf Molander
ACTOR
1888 - 1973
HPI: 51.49
Rank: 139
Others Deceased in 1970
Go to all RankingsKurt Feldt
MILITARY PERSONNEL
1897 - 1970
HPI: 51.98
Rank: 130
Leandro Faggin
CYCLIST
1933 - 1970
HPI: 51.95
Rank: 131
Vera Brittain
WRITER
1893 - 1970
HPI: 51.94
Rank: 132
Ștefan Barbu
SOCCER PLAYER
1908 - 1970
HPI: 51.89
Rank: 133
Cathy O'Donnell
ACTOR
1923 - 1970
HPI: 51.87
Rank: 134
Ernest Marsden
PHYSICIST
1889 - 1970
HPI: 51.77
Rank: 135
Sydney Chapman
MATHEMATICIAN
1888 - 1970
HPI: 51.72
Rank: 136
Billie Burke
ACTOR
1884 - 1970
HPI: 51.65
Rank: 137
Alan Wilson
MUSICIAN
1943 - 1970
HPI: 51.65
Rank: 138
Albert Ayler
MUSICIAN
1936 - 1970
HPI: 51.64
Rank: 139
Soledad Miranda
ACTOR
1943 - 1970
HPI: 51.63
Rank: 140
Shaken Aimanov
ACTOR
1914 - 1970
HPI: 51.45
Rank: 141
Abraham Alikhanov
PHYSICIST
1904 - 1970
HPI: 51.41
Rank: 142
In United Kingdom
Among people born in United Kingdom, Sydney Chapman ranks 2,465 out of 8,785. Before him are Fatboy Slim (1963), Peter Sutcliffe (1946), Roy Harrod (1900), Peter Frampton (1950), George Arnott Walker-Arnott (1799), and Benedict Biscop (628). After him are Richard Marquand (1937), Robert Kerr (1755), David Bailey (1938), Paul Smith (1946), Geoff Bent (1932), and John Alcock (1892).
Others born in United Kingdom
Go to all RankingsFatboy Slim
MUSICIAN
1963 - Present
HPI: 51.75
Rank: 2,459
Peter Sutcliffe
EXTREMIST
1946 - 2020
HPI: 51.74
Rank: 2,460
Roy Harrod
ECONOMIST
1900 - 1978
HPI: 51.74
Rank: 2,461
Peter Frampton
SINGER
1950 - Present
HPI: 51.74
Rank: 2,462
George Arnott Walker-Arnott
BIOLOGIST
1799 - 1868
HPI: 51.72
Rank: 2,463
Benedict Biscop
RELIGIOUS FIGURE
628 - 690
HPI: 51.72
Rank: 2,464
Sydney Chapman
MATHEMATICIAN
1888 - 1970
HPI: 51.72
Rank: 2,465
Richard Marquand
FILM DIRECTOR
1937 - 1987
HPI: 51.72
Rank: 2,466
Robert Kerr
WRITER
1755 - 1813
HPI: 51.71
Rank: 2,467
David Bailey
PHOTOGRAPHER
1938 - Present
HPI: 51.71
Rank: 2,468
Paul Smith
DESIGNER
1946 - Present
HPI: 51.71
Rank: 2,469
Geoff Bent
SOCCER PLAYER
1932 - 1958
HPI: 51.70
Rank: 2,470
John Alcock
MILITARY PERSONNEL
1892 - 1919
HPI: 51.70
Rank: 2,471
Among MATHEMATICIANS In United Kingdom
Among mathematicians born in United Kingdom, Sydney Chapman ranks 52. Before him are David Mumford (1937), Joseph Raphson (1648), John Playfair (1748), John Hadley (1682), Thomas Wright (1711), and Egon Pearson (1895). After him are Paul Bernays (1888), Ernest William Brown (1866), Harold Jeffreys (1891), Harold Scott MacDonald Coxeter (1907), G. I. Taylor (1886), and William Burnside (1852).
David Mumford
1937 - Present
HPI: 52.65
Rank: 46
Joseph Raphson
1648 - 1715
HPI: 52.48
Rank: 47
John Playfair
1748 - 1819
HPI: 52.42
Rank: 48
John Hadley
1682 - 1744
HPI: 52.33
Rank: 49
Thomas Wright
1711 - 1786
HPI: 51.86
Rank: 50
Egon Pearson
1895 - 1980
HPI: 51.78
Rank: 51
Sydney Chapman
1888 - 1970
HPI: 51.72
Rank: 52
Paul Bernays
1888 - 1977
HPI: 51.30
Rank: 53
Ernest William Brown
1866 - 1938
HPI: 51.22
Rank: 54
Harold Jeffreys
1891 - 1989
HPI: 50.72
Rank: 55
Harold Scott MacDonald Coxeter
1907 - 2003
HPI: 50.66
Rank: 56
G. I. Taylor
1886 - 1975
HPI: 50.63
Rank: 57
William Burnside
1852 - 1927
HPI: 50.18
Rank: 58