Studied in Palermo and later in Roma with Cremona who was his supervisor when he graduated in 1880. Taught in Palermo since 1889. In 1884 he founded the Circolo Matematico di Palermo and he was the director of its Rendiconti until his death.

Students: G. Bagnera and M. De Franchis.

Main commemorations and studies: M. De Franchis, Rend. del Circolo Mat. di Palermo , 39, 1914, 1-10.