Leonhard Sohncke (22 February 1842 Halle – 1 November 1897 in Munich) was a German mathematician who classified the 65 space groups in which

chiral Chirality is a property of asymmetry important in several branches of science. The word ''chirality'' is derived from the Greek (''kheir''), "hand", a familiar chiral object. An object or a system is ''chiral'' if it is distinguishable from i ...

crystal structures form, called Sohncke groups. He was a professor of physics at the Technische Hochschule Karlsruhe (now called the Karlsruhe Institute of Technology) from 1871 to 1883, at Jena from 1883 to 1886, and at the

Technical University of Munich The Technical University of Munich (TUM or TU Munich; german: Technische Universität München) is a public research university in Munich, Germany. It specializes in engineering, technology, medicine, and applied and natural sciences. Establ ...

from 1886 to 1897. His father Ludwig Adolph Sohncke (1807-1853) was professor of mathematics at the

University of Halle Martin Luther University of Halle-Wittenberg (german: Martin-Luther-Universität Halle-Wittenberg), also referred to as MLU, is a public, research-oriented university in the cities of Halle and Wittenberg and the largest and oldest university ...

. He published several books, including ''Geschichte der geometrie, hauptsachlich mit bezug auf die neueren methoden'' in 1839, a translation of ''Aperçu historique sur l’origine et la dévelopement des méthodes en géométrie'' (1837) by

Michel Chasles Michel Floréal Chasles (; 15 November 1793 – 18 December 1880) was a French mathematician. Biography He was born at Épernon in France and studied at the École Polytechnique in Paris under Siméon Denis Poisson. In the War of the Sixth Coal ...

References

* Paul Seidel, ''Leben und Werke von Leonhard Sohncke (1842–1897), einem Mitbegründer des Oberrheinischen Geologischen Vereins'', Jber. Mitt. oberrhein. geol. Ver., N. F., 91, 101–112, 2009. * Fritz Erk
Leonhard Sohncke
''Meteorologische Zeitschrift'' volume 15 (1898), pp. 81–84. * Sebastian Finsterwalder,

Hermann Ebert Hermann Ebert (20 June 1861 in Leipzig – 12 February 1913 in Munich) was a German physicist. From 1881 he studied astronomy and physics in Leipzig, where he was a student of Heinrich Bruns and Gustav Wiedemann. After graduation, he relocated to ...

: ''Leonhard Sohncke'', Jahresbericht der Königlich Technischen Hochschule in München 1897/98, Anhang pp. 1–21. * * 1842 births 1897 deaths 19th-century German mathematicians Technical University of Munich faculty {{Germany-mathematician-stub