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 461,669 page views. His biography is available in 59 different languages on Wikipedia (up from 56 in 2019). Karl Weierstrass is the 58th most popular mathematician (down from 55th in 2019), the 283rd most popular biography from Germany (down from 254th in 2019) and the 8th 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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Among mathematicians, Karl Weierstrass ranks 58 out of 828Before him are Niccolò Fontana Tartaglia, Simon Stevin, Philolaus, Ludolph van Ceulen, Nikolai Lobachevsky, and Marin Mersenne. After him are Al-Battani, Abu al-Wafa' Buzjani, Willebrord Snellius, Zhang Heng, Alfred North Whitehead, and Abraham de Moivre.

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

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In Germany

Among people born in Germany, Karl Weierstrass ranks 283 out of 5,289Before him are Konrad Zuse (1910), Michael Wittmann (1914), Sepp Dietrich (1892), Joseph von Fraunhofer (1787), Klaus Barbie (1913), and Anton Drexler (1884). After him are Alexandra Feodorovna (1872), Paul Ludwig Ewald von Kleist (1881), Christian I of Denmark (1426), Ferdinand I of Romania (1865), Giacomo Meyerbeer (1791), and Frederick V of the Palatinate (1596).


Among mathematicians born in Germany, Karl Weierstrass ranks 8Before him are Gottfried Wilhelm Leibniz (1646), Bernhard Riemann (1826), Gottlob Frege (1848), Peter Gustav Lejeune Dirichlet (1805), Emmy Noether (1882), and Ludolph van Ceulen (1540). After him are August Ferdinand Möbius (1790), Friedrich Bessel (1784), Richard Dedekind (1831), Regiomontanus (1436), Felix Klein (1849), and Alexander Grothendieck (1928).