French Romantic artist Eugène Delacroix is best known to Americans for his painting, Liberty at the Barricades (1830). HIs innovative color theory and intensely felt subjects earned him the title “the hero of Romanticism.” However, the artist’s prolific and extraordinary contributions to the genre of religious art had been overlooked for more than a century. New Canaan Library welcomes Joyce C. Polistena, Ph.D., professor of art history and author of The Religious Paintings of Eugène Delacroix: The Initiator of the…