See J.W. Rinzler’s conversation with Rick Worley for more details.
Great interview, thanks for sharing.
George had nearly all of The Empire Strikes Back written before Lawerence Kasdan polished it up. See J.W.
Well that was already known and Rinzler discussed it in detail in his book. Even Kasdan basically confirmed that by saying: “The structure of the story was all there–it was the skeleton for a movie. What was needed was the flesh and the muscle.”