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Karl Weierstrass

1815 - 1897

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Karl Theodor Wilhelm Weierstrass (German: Weierstraß [ˈvaɪɐʃtʁaːs]; 31 October 1815 – 19 February 1897) was a German mathematician often cited as the "father of modern analysis". Despite leaving university without a degree, he studied mathematics and trained as a school teacher, eventually teaching mathematics, physics, botany and gymnastics. Read more on Wikipedia

Since 2007, the English Wikipedia page of Karl Weierstrass has received more than 505,201 page views. His biography is available in 60 different languages on Wikipedia (up from 59 in 2019). Karl Weierstrass is the 52nd most popular mathematician (up from 58th in 2019), the 285th most popular biography from Germany (down from 283rd in 2019) and the 7th most popular German Mathematician.

Karl Weierstrass is most famous for proving that every continuous function on the real line can be uniformly approximated by polynomials.

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  • 60

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  • 11.18

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  • 3.05

    Coefficient of Variation (CV)

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Among mathematicians, Karl Weierstrass ranks 52 out of 823Before him are Sophie Germain, Claude Shannon, Maria Gaetana Agnesi, Norbert Wiener, Sir George Stokes, 1st Baronet, and Philolaus. After him are Sofia Kovalevskaya, Nikolai Lobachevsky, Gaspard Monge, Abu al-Wafa' Buzjani, Abraham de Moivre, and Brahmagupta.

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Among people born in 1815, Karl Weierstrass ranks 5Before him are Otto von Bismarck, John Bosco, George Boole, and Ada Lovelace. After him are Otto of Greece, Adolph Menzel, Thomas Couture, Johann Jakob Bachofen, Louis-Jules Trochu, Julia Margaret Cameron, and Ildefons Cerdà. Among people deceased in 1897, Karl Weierstrass ranks 3Before him are Johannes Brahms and Thérèse of Lisieux. After him are Jacob Burckhardt, Alphonse Daudet, Jamāl al-Dīn al-Afghānī, Savitribai Phule, Edward Drinker Cope, Duchess Sophie Charlotte in Bavaria, James Joseph Sylvester, Albert Marth, and Jiroemon Kimura.

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In Germany

Among people born in Germany, Karl Weierstrass ranks 285 out of 6,142Before him are Maurice, Prince of Orange (1567), Constanze Mozart (1762), Michael Haneke (1942), August Kekulé (1829), Georgius Agricola (1494), and Karl May (1842). After him are Sepp Dietrich (1892), Frederick V of the Palatinate (1596), Christian I of Denmark (1426), Einhard (770), Wilhelm Eduard Weber (1804), and Gustav Ludwig Hertz (1887).


Among mathematicians born in Germany, Karl Weierstrass ranks 7Before him are Carl Friedrich Gauss (1777), Gottfried Wilhelm Leibniz (1646), Bernhard Riemann (1826), Peter Gustav Lejeune Dirichlet (1805), Gottlob Frege (1848), and Emmy Noether (1882). After him are August Ferdinand Möbius (1790), Ludolph van Ceulen (1540), Richard Dedekind (1831), Regiomontanus (1436), Alexander Grothendieck (1928), and Friedrich Bessel (1784).