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Ludolph van Ceulen

1540 - 1610

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Ludolph van Ceulen (German: [fan ˈkɔʏlən], Dutch: [vɑŋˈkøːlə(n)]; 28 January 1540 – 31 December 1610) was a German-Dutch mathematician from Hildesheim. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ludolph van Ceulen has received more than 84,998 page views. His biography is available in 40 different languages on Wikipedia (up from 38 in 2019). Ludolph van Ceulen is the 65th most popular mathematician (down from 55th in 2019), the 340th most popular biography from Germany (down from 272nd in 2019) and the 9th most popular German Mathematician.

Ludolph van Ceulen is most famous for calculating the value of Pi to over 31 digits.

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  • 40

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  • 14.77

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  • 1.73

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Among mathematicians, Ludolph van Ceulen ranks 65 out of 823Before him are Al-Battani, Marin Mersenne, August Ferdinand Möbius, Simon Stevin, Niccolò Fontana Tartaglia, and Alfred North Whitehead. After him are Hermann Minkowski, Jacob Bernoulli, Benoit Mandelbrot, Bhāskara II, Willebrord Snellius, and Zhang Heng.

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Among people born in 1540, Ludolph van Ceulen ranks 4Before him are Francis Drake, François Viète, and Charles II, Archduke of Austria. After him are John Sigismund Zápolya, Hümaşah Sultan, Maharana Pratap, Joseph Justus Scaliger, Magnus, Duke of Holstein, Gasparo da Salò, Ana de Mendoza, Princess of Eboli, and Won Gyun. Among people deceased in 1610, Ludolph van Ceulen ranks 4Before him are Caravaggio, Henry IV of France, and Matteo Ricci. After him are François Ravaillac, Honda Tadakatsu, Adam Elsheimer, False Dmitry II, Catherine Vasa of Sweden, Frederick IV, Elector Palatine, Anna of Sweden, and Hasegawa Tōhaku.

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In Germany

Among people born in Germany, Ludolph van Ceulen ranks 340 out of 6,142Before him are Thomas à Kempis (1380), Heinrich Schütz (1585), Friedrich Fromm (1888), Frederick I of Sweden (1676), Christian III of Denmark (1503), and Carl Bosch (1874). After him are Franz Mesmer (1734), Fritz Sauckel (1894), Heinrich Cornelius Agrippa (1486), Katharina von Bora (1498), Theodor Schwann (1810), and Louise of Mecklenburg-Strelitz (1776).


Among mathematicians born in Germany, Ludolph van Ceulen ranks 9Before him are Bernhard Riemann (1826), Peter Gustav Lejeune Dirichlet (1805), Gottlob Frege (1848), Emmy Noether (1882), Karl Weierstrass (1815), and August Ferdinand Möbius (1790). After him are Richard Dedekind (1831), Regiomontanus (1436), Alexander Grothendieck (1928), Friedrich Bessel (1784), Felix Klein (1849), and Carl Gustav Jacob Jacobi (1804).