1857 - 1918
Aleksandr Mikhailovich Lyapunov (Russian: Алекса́ндр Миха́йлович Ляпуно́в, pronounced [ɐlʲɪkˈsandr mʲɪˈxajləvʲɪtɕ lʲɪpʊˈnof]; 6 June [O.S. 25 May] 1857 – 3 November 1918) was a Russian mathematician, mechanician and physicist. His surname is variously romanized as Ljapunov, Liapunov, Liapounoff or Ljapunow. Read more on Wikipedia
Since 2007, the English Wikipedia page of Aleksandr Lyapunov has received more than 307,981 page views. His biography is available in 39 different languages on Wikipedia. Aleksandr Lyapunov is the 148th most popular mathematician (down from 131st in 2019), the 343rd most popular biography from Russia (down from 276th in 2019) and the 11th most popular Russian Mathematician.
Aleksandr Lyapunov is most famous for his work on stability theory. Lyapunov's theorem states that if a dynamical system is stable, then it has at least one positive Lyapunov exponent.
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Among mathematicians, Aleksandr Lyapunov ranks 148 out of 823. Before him are Johannes Trithemius, Arthur Cayley, Sophus Lie, James Joseph Sylvester, Felix Hausdorff, and Stanislaw Ulam. After him are Jakob Steiner, Victor D'Hondt, James Gregory, Harald Bohr, Nicomachus, and Hermann Grassmann.
1462 - 1516
HPI: 61.88
Rank: 142
1821 - 1895
HPI: 61.70
Rank: 143
1842 - 1899
HPI: 61.67
Rank: 144
1814 - 1897
HPI: 61.58
Rank: 145
1868 - 1942
HPI: 61.57
Rank: 146
1909 - 1984
HPI: 61.50
Rank: 147
1857 - 1918
HPI: 61.47
Rank: 148
1796 - 1863
HPI: 61.38
Rank: 149
1841 - 1902
HPI: 61.37
Rank: 150
1638 - 1675
HPI: 61.33
Rank: 151
1887 - 1951
HPI: 61.26
Rank: 152
60 - 120
HPI: 61.23
Rank: 153
1809 - 1877
HPI: 61.23
Rank: 154
Among people born in 1857, Aleksandr Lyapunov ranks 32. Before him are Antoni Grabowski, Lucien Lévy-Bruhl, Georg Michaelis, Joseph Babinski, Karl Pearson, and Infanta Maria Josepha of Portugal. After him are Otto von Below, Vladimir Bekhterev, Edward Emerson Barnard, Eugène Atget, Max Klinger, and 12th Dalai Lama. Among people deceased in 1918, Aleksandr Lyapunov ranks 37. Before him are Frederick Trump, Ernesto Teodoro Moneta, Arrigo Boito, Hermann Cohen, Frank Wedekind, and Lili Boulanger. After him are Charles-Émile Reynaud, Eusebi Güell, Koloman Moser, Emil Jellinek, Andrew Dickson White, and John Bauer.
1857 - 1921
HPI: 63.79
Rank: 26
1857 - 1939
HPI: 63.55
Rank: 27
1857 - 1936
HPI: 63.30
Rank: 28
1857 - 1932
HPI: 63.13
Rank: 29
1857 - 1936
HPI: 62.90
Rank: 30
1857 - 1943
HPI: 61.81
Rank: 31
1857 - 1918
HPI: 61.47
Rank: 32
1857 - 1944
HPI: 61.23
Rank: 33
1857 - 1927
HPI: 60.31
Rank: 34
1857 - 1923
HPI: 60.29
Rank: 35
1857 - 1927
HPI: 60.28
Rank: 36
1857 - 1920
HPI: 60.17
Rank: 37
1857 - 1875
HPI: 59.79
Rank: 38
1869 - 1918
HPI: 64.06
Rank: 31
1833 - 1918
HPI: 62.73
Rank: 32
1842 - 1918
HPI: 62.72
Rank: 33
1842 - 1918
HPI: 62.42
Rank: 34
1864 - 1918
HPI: 62.34
Rank: 35
1893 - 1918
HPI: 61.97
Rank: 36
1857 - 1918
HPI: 61.47
Rank: 37
1844 - 1918
HPI: 61.46
Rank: 38
1846 - 1918
HPI: 61.26
Rank: 39
1868 - 1918
HPI: 60.88
Rank: 40
1853 - 1918
HPI: 60.85
Rank: 41
1832 - 1918
HPI: 60.71
Rank: 42
1882 - 1918
HPI: 60.63
Rank: 43
Among people born in Russia, Aleksandr Lyapunov ranks 343 out of 3,262. Before him are Nikolai Trubetzkoy (1890), Vasily Vereshchagin (1842), Prince Paul of Yugoslavia (1893), Anatoly Sobchak (1937), Nikolai Kuznetsov (1904), and Sergey Brin (1973). After him are Nikita Mikhalkov (1945), Valentin Serov (1865), Eugen Sandow (1867), Naum Gabo (1890), Nikolai Rubinstein (1835), and Karl Bryullov (1799).
1890 - 1938
HPI: 61.52
Rank: 337
1842 - 1904
HPI: 61.52
Rank: 338
1893 - 1976
HPI: 61.52
Rank: 339
1937 - 2000
HPI: 61.50
Rank: 340
1904 - 1974
HPI: 61.50
Rank: 341
1973 - Present
HPI: 61.48
Rank: 342
1857 - 1918
HPI: 61.47
Rank: 343
1945 - Present
HPI: 61.47
Rank: 344
1865 - 1911
HPI: 61.45
Rank: 345
1867 - 1925
HPI: 61.44
Rank: 346
1890 - 1977
HPI: 61.43
Rank: 347
1835 - 1881
HPI: 61.41
Rank: 348
1799 - 1852
HPI: 61.38
Rank: 349
Among mathematicians born in Russia, Aleksandr Lyapunov ranks 11. Before him are Andrey Kolmogorov (1903), Alexander Friedmann (1888), Christian Goldbach (1690), Grigori Perelman (1966), Leonid Kantorovich (1912), and Andrey Markov (1856). After him are Nikolay Bogolyubov (1909), Pavel Alexandrov (1896), Igor Ansoff (1918), Mikhail Leonidovich Gromov (1943), Olga Ladyzhenskaya (1922), and Rudolf Lipschitz (1832).
1903 - 1987
HPI: 67.41
Rank: 5
1888 - 1925
HPI: 66.09
Rank: 6
1690 - 1764
HPI: 65.58
Rank: 7
1966 - Present
HPI: 63.68
Rank: 8
1912 - 1986
HPI: 63.44
Rank: 9
1856 - 1922
HPI: 62.39
Rank: 10
1857 - 1918
HPI: 61.47
Rank: 11
1909 - 1992
HPI: 58.57
Rank: 12
1896 - 1982
HPI: 56.60
Rank: 13
1918 - 2002
HPI: 56.46
Rank: 14
1943 - Present
HPI: 56.40
Rank: 15
1922 - 2004
HPI: 55.88
Rank: 16
1832 - 1903
HPI: 55.56
Rank: 17