That iconic image of Vincent van Gogh painting beside the Rhône River at night wearing a candle-studded hat may be a tired cliché, but it underscores his career-long concern with depicting darkness through light. His sustained ambition to wed Impressionist techniques with his own tendencies toward the visionary and symbolic is the subject of this exhibition, which includes drawings, a selection of his personal correspondence, and approximately two dozen nocturnal and twilight paintings from all periods of his career. Despite the visual and thematic