Schönbein, Christian Friedrich (krĭsˈtyän frēˈdrĭkh shönˈbĪn) [key], 1799–1868, German chemist. From 1828 he taught at the Univ. of Basel (as professor from 1835). He discovered ozone (1840) and, through his work on nitrocellulose, developed guncotton and collodion.
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