How many movies have Artur Brauner and Siegfried Lowitz collaborated on?

They have worked on 5 movies together! Their first movie together was Mein Vater, der Schauspieler (1956) while their highest rated movie together was It Happened in Broad Daylight (1958). They have not worked together since The Vengeance of Dr. Mabuse (1972). They are most known for their crime films together.