Hugo Laspeyres

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Hugo Laspeyres (1906). Photo by Aura Hertwig
Memorial plaque on Weilberg in Koenigswinter

Hugo Laspeyres (born July 3, 1836 in Halle , † July 22, 1913 in Bonn ) was a German mineralogist .

Life

The son of the legal scholar Ernst Adolf Theodor Laspeyres and brother of Ernst Louis Etienne Laspeyres and Paul Laspeyres studied geology, mineralogy and mining science at the universities of Bonn, Berlin and Heidelberg. Hugo Laspeyres obtained his doctorate at the University of Heidelberg in 1864 with his dissertation: "Contribution to the knowledge of porphyries ... ". Three years later he completed his habilitation at the Royal Bergakademie Berlin and was then taken on as a private lecturer . In 1870 he accepted a call to RWTH Aachen University , where he was given the position of full professor of mineralogy and metallurgy. In 1882 he was elected a member of the Leopoldina .

On January 26, 1884, Laspeyres switched to the University of Kiel , where he worked in the same function until October 1, 1886. He then taught and researched until 1906 as a professor of mineralogy and geology at the University of Bonn . In addition, from October 1, 1886 to March 31, 1907, he was also director of the Mineralogical Museum at the University of Bonn .

The main areas of work of Laspeyres, promoted to the secret mountain ridge in 1893, included the geognostic representation of the hard coal mountains and the Rotliegend north of Halle (Saale) ; Igneous rocks between the Saar and the Rhine; Construction of the Vosges and Black Forest ; crystallographic , mineralogical and petrographic investigations.

Laspeyres is considered to be the first to describe the minerals cosmochlor and polydymite .

Fonts

  • Contribution to the knowledge of porphyries and petrographic description of the quartz-bearing porphyries in the area around Halle an der Saale . Dissertation University of Heidelberg, Starcke, Berlin 1864 ( digitized version )
  • Geognostic representation of the coal mountains and Rothliegend in the area of ​​Halle an der Saale . Verlag der Neumann'schen Kartenhandlung, Berlin 1875
  • Heinrich von Dechen . A picture of life. - Bonn: Cohen, 1889
  • The occurrence and distribution of nickel in the Rhenish Slate Mountains , Bonn: Cohen, 1893
  • The meteorite collection of the University of Bonn, pp. 83–156 and SS. 141–220 in: Negotiations of the Natural History Association of the Prussian Rhineland and Westphalia, Volume 51. Issue 2 and Issue 52. Issue 1, Cohen, Bonn 1894– 95
  • The stony mixture in the meteors from Toluca in Mexico. Kosmochlor, a new cosmic mineral , In: Zeitschrift für Krystallographie und Mineralogie , Volume 27 (1897), pp. 586–600 ( PDF 656 kB )
  • The Siebengebirge on the Rhine . In: Negotiations of the natural history association of the Prussian Rhineland and Westphalia and the administrative district of Osnabrück, 57, 1900, Bonn 1901, pp. 119–596

Web links

personal data
SURNAME Laspeyres, Hugo
BRIEF DESCRIPTION German mineralogist
DATE OF BIRTH July 3, 1836
PLACE OF BIRTH Halle (Saale)
DATE OF DEATH July 22, 1913
Place of death Bonn