How many movies have E.A. Dupont and Max Fassbender collaborated on?

They have worked on 5 movies together! Their first movie together was Es werde Licht! 2. Teil (1918) and was their highest rated movie together. They have not worked together since Es werde Licht! 4. Teil: Sündige Mütter (1918). They are most known for their drama films together.