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 615,130 page views. His biography is available in 67 different languages on Wikipedia (up from 60 in 2019). Karl Weierstrass is the 52nd most popular mathematician, the 258th most popular biography from Germany (up from 285th 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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Among mathematicians, Karl Weierstrass ranks 52 out of 1,004Before him are Archytas, Sir George Stokes, 1st Baronet, Sofia Kovalevskaya, Eudoxus of Cnidus, Brahmagupta, and Sophie Germain. After him are Philolaus, Marin Mersenne, Norbert Wiener, Claude Shannon, Gaspard Monge, and Al-Battani.

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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, Louis-Jules Trochu, Adolph Menzel, Johann Jakob Bachofen, Ildefons Cerdà, Thomas Couture, and Julia Margaret Cameron. Among people deceased in 1897, Karl Weierstrass ranks 4Before him are Johannes Brahms, Thérèse of Lisieux, and Alphonse Daudet. After him are Jacob Burckhardt, Edward Drinker Cope, Jamāl al-Dīn al-Afghānī, Savitribai Phule, Duchess Sophie Charlotte in Bavaria, Albert Marth, James Joseph Sylvester, and Princess Mary Adelaide of Cambridge.

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In Germany

Among people born in Germany, Karl Weierstrass ranks 258 out of 7,253Before him are Heinrich von Kleist (1777), Heinrich Müller (1900), Valentinian II (371), Wilhelm Canaris (1887), Isabeau of Bavaria (1370), and Ludwig Mies van der Rohe (1886). After him are Ernst Ludwig Kirchner (1880), Princess Ludovika of Bavaria (1808), Karl Ferdinand Braun (1850), Klaus Schwab (1938), Arnulf of Carinthia (850), and Konstantin von Neurath (1873).


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), Emmy Noether (1882), and Gottlob Frege (1848). After him are August Ferdinand Möbius (1790), Friedrich Bessel (1784), Ludolph van Ceulen (1540), Richard Dedekind (1831), Alexander Grothendieck (1928), and Regiomontanus (1436).