L. E. J. Brouwer

1881 - 1966

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Luitzen Egbertus Jan Brouwer (; Dutch: [ˈlœy̯tsə(n) ɛɣˈbɛrtəs jɑn ˈbrʌu̯ər]; 27 February 1881 – 2 December 1966), usually cited as L. E. J. Brouwer but known to his friends as Bertus, was a Dutch mathematician and philosopher, who worked in topology, set theory, measure theory and complex analysis. He is known as the founder of modern topology, particularly for establishing his fixed-point theorem and the topological invariance of dimension.Brouwer also became a major figure in the philosophy of intuitionism, a constructivist school of mathematics in which math is argued to be a cognitive construct rather than a type of objective truth. This position led to the Brouwer–Hilbert controversy, in which Brouwer sparred with his formalist colleague David Hilbert. Read more on Wikipedia

Since 2007, the English Wikipedia page of L. E. J. Brouwer has received more than 141,880 page views. His biography is available in 34 different languages on Wikipedia (up from 32 in 2019). L. E. J. Brouwer is the 163rd most popular mathematician (up from 207th in 2019), the 134th most popular biography from Netherlands (up from 170th in 2019) and the 2nd most popular Dutch Mathematician.

L.E.J. Brouwer was a Dutch mathematician and one of the founders of topology. He is most famous for the Brouwer fixed point theorem, which states that any continuous function from a compact convex set into itself has at least one fixed point.

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Among mathematicians, L. E. J. Brouwer ranks 163 out of 828Before him are Michael Atiyah, James Gregory, Alonzo Church, Ernst Kummer, Vito Volterra, and Wacław Sierpiński. After him are Hermann Schwarz, Hermann Grassmann, Simplicius of Cilicia, Wang Chong, Étienne-Louis Malus, and Paul Ehrenfest.

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Among people born in 1881, L. E. J. Brouwer ranks 47Before him are Ivan Ribar, Otto Bauer, Carlo Carrà, Emil Ludwig, Nikolai Myaskovsky, and Ludwig Binswanger. After him are Ernst Gräfenberg, P. G. Wodehouse, William Boeing, Victor Klemperer, Giovanni Papini, and Vincenzo Peruggia. Among people deceased in 1966, L. E. J. Brouwer ranks 35Before him are Carlo Carrà, Alexander von Falkenhausen, D. T. Suzuki, Gino Severini, Cléo de Mérode, and Ludwig Binswanger. After him are Stanisław Jerzy Lec, Charlotte Cooper, Abdul Salam Arif, Alfred Naujocks, Hannes Kolehmainen, and Lao She.

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In Netherlands

Among people born in Netherlands, L. E. J. Brouwer ranks 134 out of 1,209Before him are Martinus J. G. Veltman (1931), Famke Janssen (1964), Wim Duisenberg (1935), Peter Stuyvesant (1612), Joris Ivens (1898), and Eugène Dubois (1858). After him are Pier Gerlofs Donia (1480), Wim Kok (1938), Piet Pieterszoon Hein (1577), Bernard Haitink (1929), Karel Appel (1921), and Zacharias Janssen (1585).

Among MATHEMATICIANS In Netherlands

Among mathematicians born in Netherlands, L. E. J. Brouwer ranks 2Before him are Willebrord Snellius (1580). After him are Willem de Sitter (1872), Isaac Beeckman (1588), Gemma Frisius (1508), Bartel Leendert van der Waerden (1903), Auguste Kerckhoffs (1835), Hendrik C. van de Hulst (1918), Willem 's Gravesande (1688), Thomas Joannes Stieltjes (1856), and Arend Heyting (1898).