Alexander Braun

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Braun, Alexander


Born May 10, 1805, in Regensburg; died Mar. 29, 1877, in Berlin. German botanist.

Braun was a professor at the Polytechnic School in Karlsruhe (1833), professor and director of the botanical garden at the University of Freiburg (1846), professor at the University of Berlin, and director of the botanical garden in Berlin (1851). He studied the structure, development, and taxonomy of freshwater green algae, ferns, and sago palms and investigated parthenogenesis and polyembryony in plants, phenomena of symmetry, and other phenomena. Some of his studies contributed to the creation of the cell theory. The natural system of plants developed by Braun served as a base for the later systems of the German botanists A. Eichler and A. Engler. Braun was a proponent of idealistic natural philosophy. According to Braun, the original cause of all changes in organisms is the “spirit, ” which determines a single plan for the structure of all organisms and their internal striving for perfection.


Lunkevich, V. V. Ot Geraklita do Darvina, vol. 3. Moscow-Leningrad, 1943.
Sachs, J. Geschichte der Botanik. Munich, 1874. Pages 185-95.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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British Intelligence is on to the Nazi plan and dispatches Major Michael Thatcher to track down Hitler's killer agent Alexander Braun before he can wreck havoc with America's nuclear program.
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