Studied in Napoli , where he graduated in 1867, with G. Battaglini and later with L. Cremona in Milano. Taught projetive geometry in Milano since 1876.

Main commemorations and studies: G. A. Maggi, Rend. del R. Ist. Lombardo di Scienze e Lettere , (2), 60, 1927, 291-307.