How many movies have David Nichols and David Young collaborated on?

They have worked on 4 movies together! Their first movie together was Wendy Cracked a Walnut (1990) while their highest rated movie together was Star Wars: Episode III - Revenge of the Sith (2005). They have not worked together since Star Wars: Episode III - Revenge of the Sith (2005). They are most known for their science fiction films together.