Karl Wilhelm Feuerbach

Karl Wilhelm Feuerbach
Karl Wilhelm Feuerbach
Born 30 May 1800
Jena, Saxe-Weimar, Holy Roman Empire
Died 12 March 1834
Erlangen, Germany
Nationality German
Alma mater Albert Ludwigs University of Freiburg
Known for Feuerbach's theorem
Scientific career
Fields Mathematician
Institutions University of Basel
Notes

Karl Wilhelm von Feuerbach (30 May 1800 – 12 March 1834) was a German geometer and the son of legal scholar Paul Johann Anselm Ritter von Feuerbach, and the brother of philosopher Ludwig Feuerbach. After receiving his doctorate at age 22, he became a professor of mathematics at the Gymnasium at Erlangen. In 1822 he wrote a small book on mathematics noted mainly for a theorem on the nine-point circle, which is now known as Feuerbach's theorem. In 1827 he introduced homogeneous coordinates, independently of Möbius.[1]

Works

  • Eigenschaften einiger merkwürdigen Punkte des geradlinigen Dreiecks und mehrerer durch sie bestimmten Linien und Figuren. Eine analytisch-trigonometrische Abhandlung (Monograph ed.), Nürnberg: Wiessner, 1822 . online book at Google Books ("Properties of some special points in the plane of a triangle, MIYand various lines and figures determined by these points: an analytic-trigonometric treatment")
  • Grundriss zu analytischen Untersuchungen der dreyeckigen Pyramide ("Foundations of the analytic theory of the triangular pyramid")

Notes

  1. ↑ M20 Mathematik LK Facharbeit: Karl Wilhelm Feuerbach
  • Works by or about Karl Wilhelm Feuerbach at Internet Archive
  • O'Connor, John J.; Robertson, Edmund F., "Karl Wilhelm Feuerbach", MacTutor History of Mathematics archive, University of St Andrews .
  • Feuerbach's Theorem: a Proof
  • Karl Wilhelm Feuerbach: Geometer
  • Media related to Karl Wilhelm Feuerbach (geometer) at Wikimedia Commons
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