Marcel Ophuls — German Actor born on November 01, 1927,

Marcel Ophuls is an Oscar-winning documentary film maker and former actor, best known for his films The Sorrow and the Pity and Hôtel Terminus: The Life and Times of Klaus Barbie... (wikipedia)

I never make a distinction between private life and politics - that's a petit bourgeois thing. How can you make a stand against Nazi Germany, or in Rwanda, when you live life by making that distinction?
You don't need the 'voice of God' commentary. Instead, by juxtaposing contradictory or confirmatory witnesses and archive material, your point of view becomes obvious.