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Matthias Jakob Schleiden ( April 5, 1804 - June 23, 1881) was a German botanist and co-founder of the cell theory. He was born in Kolozsvár, Transylvania. Schleiden was educated at Heidelberg and practiced law in Hamburg but soon developed his hobby of botany into a full-time pursuit. Schleiden preferred to study plant structure under the microscope. While professor of botany at the University of Jena, he wrote Contributions to Phytogenesis, in which he stated that the different parts of the plant organism are composed of cells. Thus, Schleiden became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry. He also recognised the importance of the cell nucleus, discovered in 1831 by the Scottish botanist Robert Brown, and sensed its connection with cell division. Schleiden was one of the first German biologists to accept Charles Darwin's theory of evolution. He became professor of botany at the University of TartuThe University of Tartu (Estonian: Tartu Ulikool is the national university of Estonia, and the one classical university in Estonia, located in the city of Tartu. The University of Tartu is a member of the Coimbra Group, and was established by King Gustav (then Dorpat) in what is today EstoniaThe Republic of Estonia is a country in Northern Europe, bordering the Baltic Sea to the west and the Gulf of Finland to the north, and sharing a land border with its fellow Baltic state Latvia to the south and with Russia to the east. Eesti Vabariik ( In) in 1863Events January-March January 1 Abraham Lincoln delivers the Emancipation Proclamation during the second year of the American Civil War. January 1 The first claim under the Homestead Act is made for a farm in Nebraska January 8 Ground is broken in Sacramen.
Schleiden, Matthias Jakob
Schleiden, Matthias Jakob
Schleiden
Schleiden
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