At the age of 17, Schubert becomes a teacher at his father's boarding school!
Nadia Boulanger is a famous teacher-composer that taught Aaron Copland, John Eliot Gardiner, Dinu Lipatti, Igor Markevitch, Philip Glass, and Ástor Piazzolla.
Among Saliere famous students were Beethoven, Schubert and Liszt!
So, who among well-known classical composers become teachers in real life? Who are they famous students?
How did they teach?