What impact did the National Socialist dictatorship, the Second World War, and the division of Germany have on the history of ownership of cultural assets? These are the questions addressed by the Provenance Research exhibition. It identifies Nazi loot, illustrates the search and reacquisition of artworks from the Akademie collections that were lost during the Second World War, or the critical reappraisal of the GDR’s efforts to gain possession of valuable art objects.