German classical music includes works by some of the world's most well-known composers. Dieterich Buxtehude, Johann Sebastian Bach and Georg Friedrich Händel were influential composers of the Baroque period. Ludwig van Beethoven was a crucial figure in the transition between the Classical and Romantic eras. Carl Maria von Weber, Felix Mendelssohn, Robert Schumann and Johannes Brahms were significant Romantic composers. Richard Wagner was known for his operas. Richard Strauss was a leading composer of the late Romantic and early modern eras. Karlheinz Stockhausen and Wolfgang Rihm are important composers of the 20th and early 21st centuries.