Johann Horkel
Johann Horkel (born September 8, 1769 in Burg auf Fehmarn , Duchy of Holstein , † November 15, 1846 in Berlin ) was a Danish-German physician , plant physiologist and botanist . Its official botanical author's abbreviation is " Horkel ".
Live and act
Johann Horkel was the uncle and later teacher of Matthias Jakob Schleiden . From around 1787 he studied medicine at the university in Halle an der Saale . His teacher was Johann Christian Reil , under whom he also became head of the state Schola clinica in Halle after his studies . From 1799 on he was a private lecturer, from 1802 an associate professor and finally from 1804 a full professor of medicine at the University of Halle . In 1810 Johann Horkel got the chair for plant physiology at the University of Berlin . He died there in 1846. In 1818 he was elected a member of the Leopoldina and in 1830 a full member of the Prussian Academy of Sciences .
The most important finding of Johann Horkel was the observation that the embryo of the plants develops after fertilization at the end of the pollen tube , which significantly influenced the discussion about the fertilization of the plants.
Honors
The plant genera Horkelia Cham. & Bad. and Horkeliella (Rydb.) Rydb. from the rose family (Rosaceae) have been named to him.
Works
From 1801 to 1802, Johann Horkel was editor of the journal Archiv für die thierische Chemie and, from 1815, alongside Johann Friedrich Meckel, co-editor of the German Archives for Plant Physiology .
literature
- Robert Zander : Zander concise dictionary of plant names. Edited by Fritz Encke , Günther Buchheim, Siegmund Seybold . 13th, revised and expanded edition. Eugen Ulmer, Stuttgart 1984, ISBN 3-8001-5042-5 .
Web links
- Author entry and list of the plant names described for Johann Horkel at the IPNI
- Entry on Johann Horkel in the Catalogus Professorum Halensis
Individual evidence
- ↑ Lotte Burkhardt: Directory of eponymous plant names . Extended Edition. Botanic Garden and Botanical Museum Berlin, Free University Berlin Berlin 2018. [1]
| personal data | |
|---|---|
| SURNAME | Horkel, Johann |
| BRIEF DESCRIPTION | German physician, plant physiologist and botanist |
| DATE OF BIRTH | September 8, 1769 |
| PLACE OF BIRTH | Castle on Fehmarn |
| DATE OF DEATH | November 15, 1846 |
| Place of death | Berlin |