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The Presidents Friedrich Ebert (11th August, 1922) and Theodor Heuss (6th May, 1952) later declared this poem to be the national anthem of the German Republics.
Discovered by Nathanael Pringsheim in a Brilliant Epoch of Botany VIRGINIA S. BRYAN Department of Biology, Duke University, Durham, NC 27708-0338, U.S.A. The revolutionary advances in scientific botany in the mid- and last half of the nineteenth century included Nathanael Pringsheim's pivotal discovery of apospory in mosses: the regeneration of ...
Pringsheim was among the very first to demonstrate the occurrence of a sexual process in this class of plants, and he drew from his observations weighty conclusions as to the nature of sexuality. Together with the French investigators G. Thuret and E. Bornet, Pringsheim ranks as the founder of our scientific knowledge of the algae.
Carl in the mid- and last half of the nineteenth century Wilhelm von Nigeli, an influential theoretician, un- included Nathanael Pringsheim's pivotal discovery dertook innovative investigations of growth from of apospory in mosses: the regeneration of sporo- the apical cell. He is also credited for studies con-.
BOTANISTS throughout the world will have heard, with deep regret, of the death of Prof. Pringsheim on October 6, of last year. His name is inseparably associated with the modern progress of the ...
Nathanael Pringsheim, född 30 november 1823 i Gorzów Śląski (dåvarande Oberschlesien ), död 6 oktober 1894 i Berlin, var en tysk botaniker . Pringsheim vistades för studier dels i Paris och London samt vid flera universitet i Tyskland, dessutom vid kusterna av Atlanten och Medelhavet. Han blev docent i Berlin 1851 och professor i Jena 1864.
For identification of the cell membrane, a wide variety of research has been done between the 16thand 19th centuries (12). The great scientist considered to be the father of optics is Robert Hooke ...
