Karl Wilhelm Feuerbach

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]

Karl Wilhelm Feuerbach
Karl Wilhelm Feuerbach
Born30 May 1800
Jena, Saxe-Weimar, Holy Roman Empire
Died12 March 1834
Erlangen, Germany
NationalityGerman
Alma materAlbert Ludwigs University of Freiburg
Known forFeuerbach's theorem
Scientific career
FieldsMathematician
InstitutionsUniversity of Basel
Notes

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. "Feuerbach". sfabel.tripod.com. Retrieved 2020-07-21.
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