Famous German composer, primarily known for his complex and controversial operas, born on 22 May 1813 in Leipzig, Germany, became the world's most influential composers, famous works include "The Flying Dutchman", "Tannhauser", "Lohengrin", "Tristan und Isolde", "Parsifal", and his great tetralogy, "Der Ring Des Nibelungen" (Ring of the Nibelungs), died of a heart attack in Venice on 13 February 1883