St. John of the Cross, born Juan de Yepes Álvarez in 1542 in Fontiveros, Spain, is renowned as a mystic, poet, and a major figure of the Spanish Golden Age. He joined the Carmelite Order in his early years, adopting the name 'John of St. Matthias' before later changing to 'John of the Cross.' He became a close collaborator of St. Teresa of Ávila in the reform of the Carmelite Order, and his writin...