​ANTONELLI, Juan, engineer, b. in Gaeta, Italy, about the middle of the 16th century; d. in Spain in 1616. He went to Cuba in 1584, where he made the plan and superintended the construction of the Morro Castle and Punta Fortress in Havana, in 1589. Before they were finished he went to Vera Cruz, Mexico, and planned the famous fortress of San Juan de Ulua. He returned to Cuba, and afterward went to Spain, where he died.