Alfonso I d'Este

Alfonso I d'Este (21 July 1476 – 31 October 1534) was Duke of Ferrara, Modena, and Reggio from 1505 until his death in 1534. A prominent military leader during the Italian Wars, he served on various sides throughout the conflict.

Alfonso was considered one of the most capable Italian generals of his age, who also owned the finest weapons factory of the peninsula. Renowned for his innovations in the use of artillery, he earned the nickname Duca Artigliere ("Artilleryman Duke").