Who was one of the first significant composers of the Romantic school, William Walton or Carl Maria von Weber?
William Walton:  His best-known works include "Façade", the cantata "Belshazzar's Feast", the Viola Concerto and the First Symphony. Carl Maria von Weber: Carl Maria Friedrich Ernst von Weber (18 or 19 November 1786 5 June 1826) was a German composer, conductor, pianist, guitarist and critic, and was one of the first significant composers of the Romantic school.
Carl Maria Friedrich Ernst von Weber