Wedekind, Frank 1864-1918. German dramatist. He was a forerunner of Expressionism with Fruhlings Erwachen/The Awakening of Spring 1891, and Der Erdgeist/The Earth Spirit 1895 and its sequel Der Marquis von Keith. Die Buchse der Pandora/Pandora's Box 1904 was the source for Berg's opera Lulu.