John of the Cross was born on 24 June 1542 in Fontiveros, Ávila, Spain. He was a Spanish Roman Catholic priest, poet, and mystic. He is considered a Doctor of the Church, a title given to a select group of saints whose writings have been recognized as having special significance for the life of the church.
Soul-Searching with San Juan de la Cruz: Unraveling the Mysteries of John of the Cross