Original: From the beginning of 1818, he taught composition at the Conservatoire, where over the years he had for pupils Hector Berlioz, Ambroise Thomas, Charles Gounod, Louis-Désiré Besozzi and Antoine François Marmontel.
Simplified: From the beginning of 1818, he taught composition at the Conservatoire. His most famous pupils were Hector Berlioz, Ambroise Thomas and Charles Gounod.