In 1859 he was appointed professor of organic chemistry at the Ecole Superieure de Pharmacie, and in 1865 he accepted the new chair of organic chemistry, which was specially created for his benefit at the College de France.
Appointed to a lectureship at the Ecole Normale Superieure in February 1870, to a professorship at the Paris faculty of letters in 1875, and to the chair of medieval history created for him at the Sorbonne in 1878, he applied himself to the study of the political institutions of ancient France.
After studying at the Ecole Normale Superieure he held history professorships at various lycdes.
After studying at the Ecole Normale Superieure he was sent to the French school at Athens in 1853, directed some excavations in Chios, and wrote an historical account of the island.
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 Ecole superieure 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 Zurich, where he died in 1875.
In Les Mceurs de la phylloxera de la vigne (1877); Dreyfus, Uber Phylloxerinen (1889); Lichtenstein, Histoire du phylloxera; the Rapports annuels a la commission superieure du phylloxera; and the excellent Report on Phylloxera drawn up by the Hon.
After passing through the Ecole Normale Superieure he became professor of philosophy successively at Pau and at Limoges.
In 1870 he was at the Ecole Normale Superieure in Paris, but enlisted in the army, and was wounded.
Drach, Introduction a l'etude de la theorie des nombres et de l'algebre superieure (1895); C. de Comberousse, Cours de mathematiques, vols.
At Paris there is a more advanced school (Ecole superieure de la Marine) for the supplementary training of officers.