Wilfred Jackson (January 24, 1906 – August 7, 1988) was an American animator, arranger, composer and director best known for his work on the Mickey Mouse and Silly Symphonies series of cartoons and the
Night on Bald Mountain/Ave Maria segment of
Fantasia from Walt Disney Productions. He was also instrumental in developing the system with which Disney added music and sound to
Steamboat Willie, the first Mickey Mouse cartoon. Several of the Silly Symphony shorts he directed, including
The Old Mill (1937), won Academy Awards during the 1930s. Starting with
Snow White and the Seven Dwarfs in 1937, he directed sequences in many of the major Disney animated features up to
Lady and the Tramp in 1955, including all of the animated sequences in
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