What job do both Ramón del Valle-Inclán and Friedrich Dürrenmatt have in common?
Friedrich Dürrenmatt Friedrich Dürrenmatt (] ; 5 January 1921 – 14 December 1990) was a Swiss author and dramatist. He was a proponent of epic theatre whose plays reflected the recent experiences of World War II. The politically active author's work included avant-garde dramas, philosophical crime novels, and macabre satire. Dürrenmatt was a member of the Gruppe Olten.
Roberto Gerhard Robert Gerhard i Ottenwaelder (] ; 25 September 1896 – 5 January 1970) was a Spanish Catalan composer and musical scholar and writer, generally known outside Catalonia as Roberto Gerhard.