Originally posted by LucasTones
That said, it's not like he just phoned up Larry Kasdan and said "hey, can you write me a sequel to Star Wars please?" - he told him the plot and story etc, what needed to happen.
He was also on set most days during filming and had mroe of an involvement than many would give him credit for. empire is as much his film as it is Larry's.
But please be greatful that his mariage broke up (to an extente of course) otherwise we wouldn't have Pixar.