(b Piacenza, 1857; d Piacenza, 1919). It. playwright and librettist. Wrote, or helped to write, 35 opera libs., among them those for Puccini's Manon Lescaut (1893) and, with Giacosa, La bohème (1898), Tosca (1900), and Madama Butterfly (1904); also for Catalani's La Wally (1892), Giordano's Andrea Chénier (1896), and Mascagni's Iris (1898).
From The Concise Oxford Dictionary of Music in Oxford Reference.