Teofilo RuizTeofilo Ruiz is Distinguished Professor of History at UCLA and, in 2011, was awarded the National Humanities Medal for his work on medieval Spain. He is the author of numerous volumes and studies, including From Heaven to Earth: The Reordering of astilian Society, 1150‒1350 (Princeton, 2004) Spain's Centuries of Crisis: 1300‒1474 (Oxford, 2007), and A King Travels (Princeton, 2012). Read More Read Less