What composer was best known for his opera "Louise", Ludwig van Beethoven or Gustave Charpentier?
Ludwig van Beethoven:  His best-known compositions include 9 symphonies, 5 piano concertos, 1 violin concerto, 32 piano sonatas, 16 string quartets, his great Mass the "Missa solemnis", and one opera, "Fidelio". Gustave Charpentier: Gustave Charpentier (] ; 25 June 1860 – 18 February 1956) was a French composer, best known for his opera "Louise".
Gustave Charpentier