Siegmund Günther

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

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

Career 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; he served as the university's rector from 1911 to 1913.

His mathematical work

Publications (selection) Darstellung der Näherungswerthe der Kettenbrüche in independenter Form. Eduard Besold, Erlangen, 1873 Vermischte Untersuchungen zur Geschichte der mathematischen Wissenschaften. Teubner, Leipzig, 1876 Lehrbuch der Determinanten-Theorie für Studirende. Eduard Besold, Erlangen, 1877 Die Lehre von den gewöhnlichen und verallgemeinerten Hyperbelfunktionen. Louis Nebert, Halle, 1881

Parabolische Logarithmen und parabolische Trigonometrie. Teubner, Leipzig, 1882