Friedrich Tiedemann (* 23 August 1781 in Kassel; " 22 January 1861 in Munich) was a German Anatom and physiologist.
Tiedemann studied in Marburg, peppering castle, Paris and Goettingen and received to 1806 a Professur for anatomy and Zoologie in land hat. From 1816 to its retirement 1836 he was a professor for anatomy and physiology in Heidelberg.
In the 1816 published "anatomy of the education formation of the brain" Tiedemann compared the embryonale development of the brain with vertebrate animals and humans and found agreeing design philosophies. It was thereby one the Wegbereiter of the evolution theory. Together with Leopold Gmelin it published fundamental work into its Heidelberger time for digesting with humans and animals ("digesting after attempts" (2 Bde.), 1826-1827).
Tiedemann was a decided representative of an experimental natural science and rejected the romantic natural science in the tradition of nature philosophy Friedrich Schellings. With its employment against racingism was it its time far ahead. In the paper "on the Brain OF the Negro, compared with that OF the European and the Orang Outang" (1836) he advanced toward the contemporary prejudices and stated that there are no innate intellectual differences between humans of different skin color. As only publication Tiedemanns appeared this paper first in English language (in the "Philosophical Transactions OF the Royal Society OF London") and only later in Germany; Tiedemann wanted to appreciate thereby the abolishment of the slavery by the English government (1833).
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