“ He must not be confused with Emil Kopp (1817–1875) , who, born at Warselnheim, Alsace, became in 1847 professor of toxicology and chemistry at the École supérieure de Pharmacie at Strasburg, in 1849 professor of physics and chemistry at Lausanne, in 1852 chemist to a Turkey-red factory near Manchester, in 1868 professor of technology at Turin, and finally, in 1871, professor of technical chemistry at the Polytechnic of Zürich, where he died in 1875. ”