Jacobus Kapteyn

1851 - 1922

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Prof Jacobus Cornelius Kapteyn FRS FRSE LLD (19 January 1851 – 18 June 1922) was a Dutch astronomer. He carried out extensive studies of the Milky Way and was the discoverer of evidence for galactic rotation. Read more on Wikipedia

Since 2007, the English Wikipedia page of Jacobus Kapteyn has received more than 80,460 page views. His biography is available in 35 different languages on Wikipedia (up from 33 in 2019). Jacobus Kapteyn is the 154th most popular astronomer (up from 156th in 2019), the 276th most popular biography from Netherlands (down from 264th in 2019) and the 7th most popular Astronomer.

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  • 2.84

    Coefficient of Variation (CV)

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Among astronomers, Jacobus Kapteyn ranks 154 out of 531Before him are Eugène Joseph Delporte, Hermann Carl Vogel, Bernard Lyot, George Phillips Bond, Nicole-Reine Lepaute, and Jean Chacornac. After him are Jean Picard, Tobias Mayer, Vesto Slipher, Andreas Cellarius, N. R. Pogson, and Henry Draper.

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Among people born in 1851, Jacobus Kapteyn ranks 33Before him are Emilia Pardo Bazán, Charles Dow, Franz von Liszt, Guillaume Bigourdan, Bernhard III, Duke of Saxe-Meiningen, and Désiré-Joseph Mercier. After him are Theodor Lipps, Melvil Dewey, Jacques-Arsène d'Arsonval, Charles Dupuy, Arne Garborg, and Stephan Burián von Rajecz. Among people deceased in 1922, Jacobus Kapteyn ranks 51Before him are Wolfgang Kapp, Eugen Ehrlich, Gaston, Count of Eu, Princess Helena of Waldeck and Pyrmont, Paul Durand-Ruel, and Karl Michael Ziehrer. After him are Sidney Sonnino, Stephan Burián von Rajecz, Alexander Antonov, Felip Pedrell, Joseph Oller, and Princess Marie of Schwarzburg-Rudolstadt.

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In Netherlands

Among people born in Netherlands, Jacobus Kapteyn ranks 276 out of 1,427Before him are Hendrik Verwoerd (1901), Willem van Hanegem (1944), Geert Wilders (1963), William I, Count of Holland (1167), Emanuel de Witte (1617), and Jan Peter Balkenende (1956). After him are Jacob van Campen (1596), Armin van Buuren (1976), Hercules Seghers (1589), Aert de Gelder (1645), Henk Sneevliet (1883), and Abraham van Beijeren (1620).

Among ASTRONOMERS In Netherlands

Among astronomers born in Netherlands, Jacobus Kapteyn ranks 7Before him are Jan Oort (1900), Pieter van Musschenbroek (1692), Gerard Kuiper (1905), Tom Gehrels (1925), Cornelis Johannes van Houten (1920), and Antonie Pannekoek (1873). After him are John Goodricke (1764), Walter Lewin (1936), Adriaan Blaauw (1914), Henri Joseph Anastase Perrotin (1845), Michael van Langren (1598), and Maarten Schmidt (1929).