According to Wikipedia: "David Belasco (July 25, 1853 – May 14, 1931) was an American playwright, impresario, director and theatrical producer. During his long career between 1884 and 1930, Belasco either wrote, directed, or produced more than 100 Broadway plays including Hearts of Oak, The Heart of Maryland, and Du Barry, making him the most powerful personality on the New York city theater scene. Although he is perhaps most famous for having penned Madame Butterfly and The Girl of the Golden West for the stage, both of which were adapted as operas by Giacomo Puccini, more than forty motion pictures have been made from the many plays he authored, including Buster Keaton's Seven Chances..."