What did Walt Disney do for the American animation industry that Joyce Wieland didn't?
Walt Disney:  A pioneer of the American animation industry, he introduced several developments in the production of cartoons. Joyce Wieland: Joyce Wieland, OC (June 30, 1930 – June 27, 1998) was a Canadian experimental filmmaker and mixed media artist.
A pioneer of the American animation industry, he introduced several developments in the production of cartoons