In 1905, Cortot formed a trio with Jacques Thibaud and Pablo Casals, which became the most famous piano trio of the time. There are still several recordings of their playing. From 1907 to 1923, Cortot taught at the Paris Conservatoire, where his pupils included Clara Haskil, Dinu Lipatti, Vlado Perlemuter. In 1919, he founded the École Normale de Musique de Paris. Many people came to hear him teach about how to perform piano music. He travelled a lot and also conducted famous orchestras. He died in Lausanne.