A Doctor Under Nazism. Jean-Marc Dreyfus was the academic consultant and co-writer for this French documentary 'T4. Un médecin sous le nazisme' (52 min, directed by Catherine Bernstein) which explores the Nazis' notorious T4 euthanasia programme. It focuses on one doctor, Hallervorden, who claimed the brains of victims to advance his own research. The premiere will be held 12 March in Paris. Further information.