1871 - 1948
Poul Heegaard (Danish: [ˈhe̝ˀˌkɒˀ] ; November 2, 1871, Copenhagen - February 7, 1948, Oslo) was a Danish mathematician active in the field of topology. His 1898 thesis introduced a concept now called the Heegaard splitting of a 3-manifold. Heegaard's ideas allowed him to make a careful critique of work of Henri Poincaré. Read more on Wikipedia
Since 2007, the English Wikipedia page of Poul Heegaard has received more than 19,447 page views. His biography is available in 15 different languages on Wikipedia. Poul Heegaard is the 836th most popular mathematician (down from 709th in 2019), the 570th most popular biography from Denmark (down from 463rd in 2019) and the 8th most popular Danish Mathematician.
Page Views (PV)
Historical Popularity Index (HPI)
Languages Editions (L)
Effective Languages (L*)
Coefficient of Variation (CV)
Among mathematicians, Poul Heegaard ranks 836 out of 823. Before him are Elon Lindenstrauss, Cécile DeWitt-Morette, Robert Daniel Carmichael, Diederik Korteweg, Richard Borcherds, and Martin Davis. After him are Caucher Birkar, Demetrios Christodoulou, Edward Charles Titchmarsh, Nicolaas Govert de Bruijn, I. J. Good, and Ken Ribet.
1970 - Present
HPI: 41.82
Rank: 830
1922 - 2017
HPI: 41.77
Rank: 831
1879 - 1967
HPI: 41.77
Rank: 832
1848 - 1941
HPI: 41.74
Rank: 833
1959 - Present
HPI: 41.71
Rank: 834
1928 - 2023
HPI: 41.69
Rank: 835
1871 - 1948
HPI: 41.68
Rank: 836
1978 - Present
HPI: 41.67
Rank: 837
1951 - Present
HPI: 41.40
Rank: 838
1899 - 1963
HPI: 41.39
Rank: 839
1918 - 2012
HPI: 41.33
Rank: 840
1916 - 2009
HPI: 41.32
Rank: 841
1948 - Present
HPI: 41.16
Rank: 842
Among people born in 1871, Poul Heegaard ranks 150. Before him are Efstathios Chorafas, Manuel Gondra, Reginald Aldworth Daly, Yoshioka Yayoi, Clarence Hudson White, and Thalia Flora-Karavia. After him are John Langalibalele Dube, Edmund Breese, Arthur Surridge Hunt, Jack Butler Yeats, Henry Stephenson, and James Weldon Johnson. Among people deceased in 1948, Poul Heegaard ranks 159. Before him are René Benjamin, Carl Abrahamsson, István Barta, Mary Eaton, Yellapragada Subbarow, and Henri Hazebrouck. After him are Alexander Alfonsovich Grossheim, Elissa Landi, Susan Glaspell, John Anderson, Franz Weidenreich, and Samuel S. Hinds.
1871 - 2000
HPI: 43.08
Rank: 144
1871 - 1927
HPI: 43.03
Rank: 145
1871 - 1957
HPI: 42.91
Rank: 146
1871 - 1959
HPI: 42.83
Rank: 147
1871 - 1925
HPI: 42.66
Rank: 148
1871 - 1960
HPI: 42.01
Rank: 149
1871 - 1948
HPI: 41.68
Rank: 150
1871 - 1946
HPI: 41.50
Rank: 151
1871 - 1936
HPI: 41.49
Rank: 152
1871 - 1934
HPI: 41.31
Rank: 153
1871 - 1957
HPI: 41.16
Rank: 154
1871 - 1956
HPI: 41.13
Rank: 155
1871 - 1938
HPI: 37.72
Rank: 156
1885 - 1948
HPI: 42.62
Rank: 153
1896 - 1948
HPI: 42.57
Rank: 154
1895 - 1948
HPI: 42.05
Rank: 155
1901 - 1948
HPI: 42.04
Rank: 156
1895 - 1948
HPI: 41.86
Rank: 157
1877 - 1948
HPI: 41.76
Rank: 158
1871 - 1948
HPI: 41.68
Rank: 159
1888 - 1948
HPI: 41.59
Rank: 160
1904 - 1948
HPI: 41.28
Rank: 161
1876 - 1948
HPI: 39.96
Rank: 162
1907 - 1948
HPI: 39.89
Rank: 163
1873 - 1948
HPI: 39.86
Rank: 164
1875 - 1948
HPI: 39.52
Rank: 165
Among people born in Denmark, Poul Heegaard ranks 570 out of 893. Before him are Thomas Delaney (1991), Princess Nathalie of Sayn-Wittgenstein-Berleburg (1975), Søren Busk (1953), Flemming Jørgensen (1947), Jan Mølby (1963), and Emre Mor (1997). After him are Ludvig Lorenz (1829), John Lauridsen (1959), Henrik Nordbrandt (1945), Anders Peter Nielsen (1867), Niels Helveg Petersen (1939), and Bodil Jørgensen (1961).
1991 - Present
HPI: 41.84
Rank: 564
1975 - Present
HPI: 41.84
Rank: 565
1953 - Present
HPI: 41.81
Rank: 566
1947 - 2011
HPI: 41.79
Rank: 567
1963 - Present
HPI: 41.79
Rank: 568
1997 - Present
HPI: 41.70
Rank: 569
1871 - 1948
HPI: 41.68
Rank: 570
1829 - 1891
HPI: 41.41
Rank: 571
1959 - Present
HPI: 41.40
Rank: 572
1945 - 2023
HPI: 41.40
Rank: 573
1867 - 1950
HPI: 41.34
Rank: 574
1939 - 2017
HPI: 41.32
Rank: 575
1961 - Present
HPI: 41.31
Rank: 576
Among mathematicians born in Denmark, Poul Heegaard ranks 8. Before him are Piet Hein (1905), Johan Jensen (1859), Agner Krarup Erlang (1878), Georg Mohr (1640), Julius Petersen (1839), and Jørgen Pedersen Gram (1850).
1905 - 1996
HPI: 59.08
Rank: 2
1859 - 1925
HPI: 51.94
Rank: 3
1878 - 1929
HPI: 51.52
Rank: 4
1640 - 1697
HPI: 50.87
Rank: 5
1839 - 1910
HPI: 50.79
Rank: 6
1850 - 1916
HPI: 46.30
Rank: 7
1871 - 1948
HPI: 41.68
Rank: 8