Dennis Stock discovered the sun as the central graphic element of his own life while on an assignment in the golden hills of Umbria, Italy. He was there to photograph the landscapes that had become so central to the philosophy of St. Francis of Assisi. Inspired by his experience and by St. Francis' own record of gratitude for his celestial "brother", Stock set out to begin one of the major works of his career: a photographic appreciation of the sun, "Brother Sun". From his opening image - a dawning sun inaugerating the day through spears of marsh grass, to his final photo of the intense pre-crepuscular...