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Valentin Haecker information


Ferdinand Carl Valentin Haecker (15 September 1864 – 19 December 1927) was a German zoologist, reader at Freiburg University from 1892. In 1900, he became professor at the University of Applied Sciences Stuttgart and in 1909 at Martin Luther University of Halle-Wittenberg. He was president of the Deutsche Zoologische Gesellschaft from 1922. He died unexpectedly from a stroke.

Haecker's contributions span the fields of ornithology,[1] plankton (Radiolaria)[2] cell biology,[3] developmental physiology, genetics[4] (where he established the subfield of phenogenetics[5]). He also published a historical treatise on Goethe's work on morphology.[6]

  1. ^ Der Gesang der Vögel, seine anatomischen und biologischen Grundlagen, Jena 1900
  2. ^ based on the samples collected by the 1899 Valdivia expedition. Die pelagischen Polychaeten- und Achaetenlarven der Plankton-Expedition. In: Ergebnisse der Plankton-Expedition der Humboldt-Stiftung (Band 2, Heft d), Lipsius und Tischer, Kiel und Leipzig 1898.
  3. ^ Praxis und Theorie der Zellen- und Befruchtungslehre, Jena 1899
  4. ^ llgemeine Vererbungslehre, Braunschweig 1911 (3rd ed. Braunschweig 1921). Über Gedächtnis, Vererbung und Pluripotenz. August Weismann zum 80. Geburtstage, Jena 1914. Die Erblichkeit im Mannesstamm und der vaterrechtliche Familienbegriff. In: Biologische Grenz- und Tagesfragen (Heft 1), Jena 1917. Pluripotenzerscheinungen. Synthetische Beiträge zur Vererbungs- und Abstammungslehre, Jena 1925.
  5. ^ Entwicklungsgeschichtliche Eigenschaftsanalyse (Phänogenetik). Gemeinsame Aufgaben der Entwicklungsgeschichte, Vererbungs- und Rassenlehre, Jena 1918
  6. ^ Goethes morphologische Arbeiten und die neuere Forschung, Jena 1927.

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