Cornelius Gurlitt, the German art collector who maintained a vast collection of artworks by European masters that were looted by the Nazis, has died at the age of 81.
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