Paul Wilhelm Magnus
Paul Wilhelm Magnus (* February 29, 1844 in Berlin, † March 13, 1914 ) was a German botanist ( mycologist and Lichenologe ), which dealt in particular with the Phytopathology.
Life
Paul Magnus ' father was the Secret of Commerce, banker and silk manufacturer Meyer Magnus (1805-1883), councilor, member of the Quorum of the purchase team and since 1866 Chairman of the Board of the Jewish Community of Berlin. His mother Johanna came from the Viennese merchant and industrialist family Pollack. His sister Anna was married to the banker Eugene Landau, his brother Ernst Magnus was from 1891 to 1903 director of the National Bank for Germany. His nephew Magnus Werner (1876-1942) was professor of botany in Berlin.
Magnus visited the Friedrichswerdersche high school and began in 1864 to study medicine at the University of Berlin, in 1865 he changed the subject to science. In the summer semester 1866 he studied at the Albert -Ludwigs- University of Freiburg, where Anton de Bary led him to mycology. Magnus continued his studies in Berlin and received his doctorate in 1870 at Alexander Brown with the work Beitr note of the genus Najas. He then accepted as a botanist in expeditions of the Prussian state in the Baltic Sea in 1871, the North Sea in 1872 and in the Schlei estuary in 1874 in part. In 1875 he was a lecturer at the University of Berlin, 1880, he was an associate professor of botany. 1897 Magnus visited at the invitation of the British Association for the Advancement of Science Canada and subsequently toured the United States.
Paul Magnus remained single. His grave is located in the Jewish Cemetery Beautifully Allee.
Work
Magnus worked on the spill to marine algae from the North and Baltic Seas expeditions and was the apex growth and branching enlighten. Magnus described the algae fungus family Chytridiaceae whose forms had hitherto kept for organs of marine algae. He was involved in the founding in 1893 of the Biological Station and fisheries Müggelsee (now measuring station of the Leibniz Institute of Freshwater Ecology and Inland Fisheries ). Magnus ' research devoted himself mainly mycology, particularly the parasitic families of Ustilaginaceae ( smut fungus relatives) and Uredinaceae ( rusts ), the originators of various plant diseases. Due to its relations with numerous florists and traveler, he received material from around the world - including Joseph Friedrich Nicolaus Bornmüller from Syria and Turkey, Georg Schweinfurth from Eritrea or Rudolf Marloth from South Africa. Magnus explained to the biology of many by host and generational change seemingly separate forms and described several new genera and species. He was involved in the processing of the guidelines for the investigation of plant and animal world (State Office for Nature Monuments in Prussia, 1912).
Writings (selection )
- Contributions to the knowledge of the genus Najas, 1870 online
- For the morphology of the sphacelarieen, along with comments about the distraction of the vegetation point of the main axes of the applied near the apex expectant daughter sprouted, 1873
- The botanical results of the North Sea journey from July 21 to September 9, 1872, 1874
- The new disease of the vine, the false mildew or Mildew of Americans, 1883
- Mushrooms of the Canton of the Grisons, 1890
- The Peronosporeae the province of Brandenburg, 1893
- Contributions to the mycoflora of franc, 1895, 1897, 1899, 1906
- G. Senn wood, 1895
- On some species of the genus Urophlyctis in Annals of Botany 11:41 p 87-96, 1897
- The fungi (Fungi ) of Tyrol, Vorarlberg and Liechtenstein. Volume 3 of Flora of Tyrol, Vorarlberg and Liechtenstein. Edited by Karl Wilhelm von Dalla Torre and Ludwig von Sarnthein, 1905 doi: 10.5962/bhl.title.3876