How many movies have Edward J. Duffy and Frank Novak collaborated on?

They have worked on 3 movies together! Their first movie together was The Amazing Howard Hughes (1977) while their highest rated movie together was A Love Affair: The Eleanor and Lou Gehrig Story (1978). They have not worked together since A Love Affair: The Eleanor and Lou Gehrig Story (1978). They are most known for their tv movie films together.