The Main Chapel of San Juan de los Reyes, Toledo

Juan Guas was a Spanish artist and architect of Breton origin. He worked in a group of architects to create the Isabelline style. Born in Saint-Pol-de-Léon, he moved to Spain when he was young, and is often thought to have been Spanish. Among his notable buildings are:Monasterio de San Juan de los Reyes, Toledo Palacio del Infantado, Guadalajara Segovia Cathedral - Guas worked on the original cathedral and his cloister and part of his facade were transferred to the new site and rebuilt next to Hontañon's cathedral church a generation later. Castle of Belmonte. Colegio de San Gregorio Monastery of El Paular, Cloister.