Ermanno Wolf-Ferrari (born Ermanno Wolf) (January 12, 1876 – January 21, 1948)[1] was an Italian composer and teacher. He is best known for his comic operas such as Il segreto di Susanna (1909). A number of his works were based on plays by Carlo Goldoni, including Le donne curiose (1903), I quatro rusteghi (1906) and Il campiello (1936).