Klaus Sander

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Klaus Sander (first name: Nikolaus Ludwig; born January 17, 1929 in Darmstadt ; † February 21, 2015 in Freiburg ) was a German biologist and university professor.

Klaus Sander studied biology at the Technical University of Darmstadt , where he graduated as a biologist. He then began studying at Aligarh Muslim University in India with Mohamad Babar Mirza , where he received his PhD in 1955 with a thesis on a parasitic insect. He then studied at the University of Tübingen , where he first passed the state examination and an examination as an interpreter for English and in 1958 wrote a dissertation under Gerhard Krause , with which he obtained the degree of Dr. rer. nat. acquired.

Sander then followed Gerhard Krause's research assistant at the University of Würzburg , where he completed his habilitation in 1963. In 1964 he became an associate professor at the University of Freiburg , where he was appointed to the chair of developmental biology in 1966. In 1994 Sander retired.

Sander primarily researched embryonic pattern formation processes, i.e. complex, spatiotemporally coordinated processes that lead from a simple egg cell to the finished organism. The object of his investigation, which he was already working on during his doctoral thesis at Kraus, was the small cicada Euscelis plebejus , using the example of which he was able to show that its head and rear end are determined by material factors that are located in different places in the egg are located. Christiane Nüsslein-Volhard held a scholarship from the German Research Foundation in 1977 at his chair .

At his suggestion in 1983, the term phylotypic stage was introduced, which describes a developmental stage that is typical of an animal strain (phylum).

Klaus Sander also dealt with aspects of the history of biology, with his interest in the work of his Freiburg predecessors August Weismann and Hans Spemann .

Sander was dean of the Faculty of Biology at the University of Freiburg several times.

Memberships and honors

Publications

  • Analysis of the ooplasmic reaction system of Euscelis plebejus case: (Cicadina) by isolating and combining germinal parts. Dissertation. Math.-natural science Faculty of the University of Tübingen, 1958.
  • August Weismann (1834-1914). In: Biology in Our Time. 14, 1984, pp. 189-193.
  • as editor: August Weismann (1834–1914) and the theoretical biology of the 19th century . (= Freiburg University Gazette . 87/88). Rombach-Verlag, Freiburg 1985.
  • Hans Spemann (1869–1941): developmental biologist with a worldwide reputation. In: Biology in Our Time. 15, 1985, pp. 112-119.
  • Personal suffering and constant need: life and survival of Friedrich Oehlkers and his Jewish wife in Freiburg 1933–1945. In: Freiburg University Gazette. 129, Rombach-Verlag, Freiburg 1995, pp. 73-80.
  • with Peter E. Fässler: Hilde Mangold (1898–1924) and Spemann's organizer : achievement and tragedy. In: Roux's Arch. Dev. Biol. 205, 1996, pp. 323-332.
  • with Peter E. Fässler: Introducing the Spemann-Mangold organizer: experiments and insights that generated a key concept in developmental biology. In: Int. J. Dev. Biol. 45, 2001, pp. 1-11.

Individual evidence

  1. ^ Laudation from the University of Freiburg to Klaus Sander
personal data
SURNAME Sander, Klaus
ALTERNATIVE NAMES Sander, Klaus Ludwig (full name)
BRIEF DESCRIPTION German biologist
DATE OF BIRTH January 17, 1929
PLACE OF BIRTH Darmstadt
DATE OF DEATH February 21, 2015
Place of death Freiburg in Breisgau