Hermann Ambronn

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Ernst Ludwig Victor Hermann Ambronn (born August 11, 1856 in Meiningen , † March 28, 1927 in Jena ) was a German botanist and physicist .

As the son of a businessman, Hermann Ambronn attended the Bernhardinum grammar school in Meiningen from 1866 to 1877 and then studied in Heidelberg, Vienna and Berlin. At the University of Berlin he received his doctorate in 1880 with the work on some cases of bilateralism in the Florideen . In 1881 he became an assistant at the Botanical Institute in Berlin and in 1887 a curator.

Ambronn became an associate professor at the University of Leipzig in 1889 and an associate professor at the chair for scientific microscopy at the University of Jena in 1899 . From 1903 he was also head of the Institute for Scientific Microscopy founded by the Carl Zeiss Foundation . He succeeded in discovering the double calculation of rods in colloids . In 1890 he was elected a full member of the Royal Saxon Society of Sciences . Hermann Ambronn is the younger brother of the astronomer Leopold Ambronn .

Works

  • Ü about the history of development and the mechanical properties of Collenchyms. A contribution to the knowledge of the mechanical tissue system . Berlin 1881.
  • Via pores in the outer walls of epidermal cells . Leipzig: Rossberg, 1882 (Leipzig, Univ., Habil.-Schr., 1882).
  • On the mechanics of winching . Leipzig 1884.
  • Instructions for using the polarizing microscope for histological examinations . Leipzig: JJ Robolsky, 1892.
  • Hermann Ambronn; Henry Siedentopf : On the theory of microscopic image generation according to Abbe . Leipzig: S. Hirzel, 1913.
  • Hermann Ambronn; A Köhler: Methods for testing lens systems. Apertometer and test plate according to Abbe . Leipzig: S. Hirzel, 1914.
  • Hermann Ambronn; Albert Frey-Wyssling: The polarization microscope: its application in colloid research and in dyeing . Leipzig: Academic Publishing Company, 1926.

literature

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