How many movies have Jiří Koníček and Štěpán Koníček collaborated on?

They have worked on 3 movies together! Their first movie together was Člověk není sám (1972) while their highest rated movie together was Tichý Američan v Praze (1978). They have not worked together since How a Man Gives Birth (1980). They are most known for their drama films together.