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Hans Kniep

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Name
  
Hans Kniep

Role
  
Botanist

Died
  
November 17, 1930, Berlin, Germany

Karl Johannes Kniep (3 April 1881 - 17 November 1930) was a German botanist who was a native of Jena.

He studied medicine at the University of Kiel, and botany in Jena with Christian Ernst Stahl (1848-1919), where in 1904 he received his doctorate. Afterwards, he worked as an assistant to Robert Hippolyte Chodat (1865-1934) in Geneva, to Wilhelm Pfeffer (1845-1920) at Leipzig, and under Friedrich Oltmanns (1860-1945) in Freiburg. Later, he conducted physiological research of algae in Bergen.

Beginning in 1907, he was a private lecturer at the University of Freiburg, followed by an associate professorship at the University of Strasbourg (1911). In 1914 Kniep became a full professor at the University of Wurzburg, where he was also served as dean of the university (1923–24). In 1924 he succeeded Gottlieb Haberlandt (1854-1945) as professor of plant physiology at the University of Berlin.

Works

Kniep is remembered for studies of sexuality in lower plants, and phytophysiological research involving chemotaxis, photosynthesis and nutrition of marine plants. He performed extensive studies on the cytology and genetics of fungi, especially Basidiomycetes. From 1913 to 1917, he published five treatises on the fungal class Hymenomycetes:

  • Beitrage zur Kenntnis der Hymenomyceten: I. Die Entwicklungsgeschichte von Hypochnus terrestris nov. spec. - 1913, Zeitschrift fur Botanik 5 pp. 593 – 637
  • Beitrage zur Kenntnis der Hymenomyceten: II. Uber die Herkunft der Kernpaare im Fruchtkorper von Coprinus nycthemerus - 1913, Zeitschrift fur Botanik 5 pp. 593 – 637
  • Beitrage zur Kenntnis der Hymenomyceten: III. Uber die konjugierten Teilungen und die phylogenetische Bedeutung der Schnallenbildungen - 1915, Zeitschrift fur Botanik 7 pp. 369 – 398.
  • Beitrage zur Kenntnis der Hymenomyceten: IV. Uber den Ursprung und die ersten Entwicklungsstadien der Basidien - 1916, Zeitschrift fur Botanik 8 pp. 353 – 359.
  • Beitrage zur Kenntnis der Hymenomyceten: V. Uber die Entstehung der Paarkernigkeit der Zellen des Schnallenmycels - 1917, Zeitschrift fur Botanik 9 pp. 81 – 118.
  • Other significant writings by Kniep include:

  • Uber rhythmische Lebensvorgange bei den Pflanzen, 1915 - On rhythmic life processes in plants
  • Uber morphologische und physiologische Geschlechtsdifferenzierung, 1920 - On morphological and physiological sex differentiation.
  • Uber Geschlechtsbestimmung und Reduktionsteilung, 1922 - On sex determination and meiosis
  • Die Sexualitat der niederen Pflanzen, 1928 - Sexuality of lower plants.
  • With Friedrich Oltmanns, he was editor of the botanical magazine - Zeitschrift fur Botanik.

    References

    Hans Kniep Wikipedia