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Dec 4, 2023 · Was Nathanael Pringsheim um 1850 entdeckt, verblüfft die Fachwelt. Ein Nachfahre hat das nun aufgeschrieben.
1848 earns PhD; appointed Privatdozent at Berlin. 1851 marries. appointed professor at Jena. 1868 inherits a bundle when his father dies; quits day job. founds Jahrbücher für Wissenschaftlich Botanik (Journal for Scientific Botany ) 1893 wife dies. 1894 he dies. Pringsheim's dad was a rich businessman who wanted his son to be one, too - - or ...
Some or all works by this author were published before January 1, 1929, and are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.
May 19, 2023 · Language links are at the top of the page across from the title.
In the 1850s the German botanist Nathanael Pringsheim (1823-1894) was among the first to observe the union of egg and sperm, in his experiments with freshwater algae. He watched the sperm force its way through the outer layer of the egg and seem to dissolve within its protoplasm.
Initially, Phytopythium was combined with closely re-lated species belonging to the genus Pythium, which was first described in 1858 by the German botanist Nathanael Pringsheim (Pringsheim 1858).
Nägeli and Nathaniel Pringsheim (1854), who understood that protoplasts had osmotic properties which were defined for animal bladder by Jean-Antoine Nollet and Henri Dutroched, concluded that ...
