Giacomo Meyerbeer (born Jakob Liebmann Meyer Beer; 5 September 1791 – 2 May 1864) was a German opera composer, "the most frequently performed opera composer during the nineteenth century, linking Mozart and Wagner". With his 1831 opera Robert le diable and its successors, he gave the genre of grand opera 'decisive character'. Meyerbeer's grand opera style was achieved by his... Wikipedia