Juan de Herrera

Juan de Herrera (Roiz, Cantabria, 1530 - Madrid, 15 January 1597) was a Spanish architect, mathematician, geometer and soldier, considered one of the maximum exponents of Spain's Renaissance architecture.
His architectural style, called "herreriano" in his honour, was representative of the reign of Philip II of Spain (r. 1556-1598) and was a notable influence on 17th century Spanish architecture.