Rudolf Friml

Charles Rudolf Friml was a Czech-born composer of operettas, musicals, songs and piano pieces, as well as a pianist. After musical training and a brief performing career in his native Prague, Friml moved to the United States, where he became a composer. His best-known works are Rose-Marie and The Vagabond King, both of which enjoyed success on Broadway and in London and were adapted for film.

Adapted from the Wikipedia article on Rudolf Friml.