Theodor Liebisch

Theodor Liebisch (29 April 1852, Breslau – 9 February 1922, Berlin) was a German mineralogist and crystallographer.

Biography

In 1874 he received his doctorate from the University of Breslau, then worked as an assistant to Gerhard vom Rath at the University of Bonn. After several years spent as a curator at the mineralogical museum of the University of Berlin, he became an associate professor of mineralogy at Breslau (1880). Afterwards he successively served as a full professor of mineralogy at the universities of Greifswald (1883/84), Königsberg (from 1884), Göttingen (1887–1909) and Berlin (1909–22). He was an editor of the periodical "Jahrbuch für Mineralogie, Geologie und Paläontologie".[1][2]

His name is associated with "Liebisch twinning", a complex type of crystal twinning that is a combination of the Dauphiné and Brazil twinning laws.[3]

Principal works
  • Geometrische krystallographie, 1881 – Geometric crystallography.
  • Physikalische krystallographie, 1891 – Physical crystallography.
  • Grundriss der physikalischen Krystallographie, 1896 – Outline of physical crystallography.
  • Die synthese der mineralien und gesteine, 1901 – The synthesis of minerals and rocks.[4]

References
  1. Sammlungen, Humboldt - Berlin (biographical information)
  2. Theodor Liebisch The Mineralogical Record - Library
  3. Frequency of Quartz Twins American Mineralogist Volume 34, pages 142-162, 1949
  4. HathiTrust Digital Library published works


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