Claude-Michel Schönberg (born 6 July 1944, in Vannes) is a French record producer, actor, singer, songwriter, and musical theatre composer, best known for his collaborations with lyricist Alain Boublil. Major works include La Révolution Française (1973), Les Misérables (1980), Miss Saigon (1989), Martin Guerre (1996), The Pirate Queen (2006), and Marguerite (2008).
Source : Wikipedia