Editorial: Cancellation of Max Stern exhibition an affront to memory

The sudden cancellation by the city museum in Düsseldorf of a planned exhibition on Max Stern’s life and work is disturbing and disappointing. 
That the news comes only days after annual commemorations of Kristallnacht is all the more jarring; it’s one more reminder that restitution for the crimes of the Nazi era, despite all that has been done, remains unfinished business.
Before the Second World War, Stern was an art dealer in Düsseldorf. As a result of the Nazi