After war, he painted an approaching storm. Everyone seemed oblivious. The American luminist Martin Johnson Heade painted this enigmatic picture in the wake of the Civil War.

Martin Johnson Heade painted the enigmatic “Thunder Storm on Narragansett Bay” in the wake of the American Civil War.

Works by Albert Bierstadt, Mary Cassatt, Frederic Edwin Church, Childe Hassam, Martin Johnson Heade, Winslow Homer, Fitz Henry Lane, Pablo Picasso, Jack Butler Yeats, and many more of the world’s most ...