Otto Dix
Otto Dixarchive
Germany's attempt to permanently retain Otto Dix print collection belonging to George Economou fails
Tycoon keeps 500-strong collection after German campaign to include it in national heritage list is thwarted
Exhibitionsarchive
National Portrait Gallery joins a season of shows marking the centenary of the Great War
Our pick of the exhibitions commemorating the First World War
Exhibitionsarchive
What's on in Berlin: Pre-war galleries are back
Celebrating Dix at Nierendorf since 1922