Scholars will be grateful for the meticulous analysis in Cordula Grewe’s Painting the Sacred in the Age of Romanticism, which demonstrates that “any real understanding of European art’s development in the nineteenth century must involve an understanding of the Nazarene movement” (1). In 1809, an overtly Catholic group in Vienna, consisting of Johann Friedrich Overbeck, Franz Pforr, and four companions, founded the Lucasbund, the Brotherhood of St. Luke. By 1810, the comrades were in Rome...