Siegmund Guenther

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Adam Günther
Siegmund Günther - Franz Neumayer Neumayer Franz btv1b8453112x (cropped).jpg
Born(1848-02-06)6 February 1848
Died3 February 1923(1923-02-03) (aged 74)
Scientific career
ThesisStudien zur theoretischen Photometrie (1872)

Adam Wilhelm Siegmund Günther (6 February 1848 – 3 February 1923) was a German geographer, mathematician, historian of mathematics and natural scientist.

Early life[edit]

Born in 1848 to a German businessman, Günther would go on to attend several German universities including Erlangen, Heidelberg, Leipzig, Berlin, and Göttingen.[1]


In 1872 he began teaching at a school in Weissenburg, Bavaria. He completed his habilitation thesis on continued fractions entitled Darstellung der Näherungswerte der Kettenbrüche in independenter Form in 1873. The next year he began teaching at Munich Polytechnicum. In 1876, he began teaching at a university in Ansbach where he stayed for several years before moving to Munich and becoming a professor of geography until he retired.[1]

His mathematical work[1] included works on the determinant, hyperbolic functions, and parabolic logarithms and trigonometry.[2]

Publications (selection)[edit]

Further reading[edit]

  • Josef Reindl: Siegmund Günther. Nürnberg 1908 (online copy at the Univ. Heidelberg, German)
  • Joseph Hohmann (1966), "Günther, Adam Wilhelm Siegmund", Neue Deutsche Biographie (NDB) (in German), 7, Berlin: Duncker & Humblot, pp. 266–267; (full text online)


  1. ^ a b c "Adam Wilhelm Siegmund Günther Biography". School of Mathematics and Statistics University of St Andrews, Scotland. Retrieved 4 July 2015.
  2. ^ This is about connecting the rectified length of line segments along a parabola, giving logarithms for appropriate coordinates, and trigonometric values for suitable angles, in a similar way as the area under a hyperbola defines the natural logarithm, and a hyperbolic angle is defined via the area of a hyperbolically truncated triangle.