"In 2007 Sylvie Lindeperg published a book: Nuit et Brouillard : un film dans l’histoire (Éditions Odile Jacob), that was the result of a long reflection on the work of Alain Resnais. Gérald Collas suggested I make a film of the book. I had known and appreciated Sylvie Lindeperg and her work for years. The idea of filming her in action (as I had already filmed the architect Pie...