Decades after the effort began, hundreds of thousands of artworks and other objects looted from victims of the Holocaust have yet to be returned to the owners or their heirs
Behind a lawsuit brought against the Museum of Modern Art by the heirs of George Grosz lies a troubling history of acquiring works seized by the Nazis and sold to support the German war effort
Until a few decades ago, Gustav Klimt was relatively ignored by the art establishment. Now his paintings are among the most expensive ever sold. How did the Viennese painter's prices rise so high so…