Christian Friedrich Schönbein
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Schönbein, Christian Friedrich
Born Oct. 18, 1799, in Metzingen, in what is now the Land (state) of Baden-Württemberg in the Federal Republic of Germany; died Aug. 29, 1868, near Baden-Baden. German chemist.
Schönbein studied at the universities of Tübingen and Erlangen. He taught in Switzerland and became a professor at the University of Basel in 1828. He discovered ozone in 1840. Schönbein obtained pyroxylin in 1845, and in 1846 he became the first to prepare collodion from it.