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Isadore Sparber (March 7, 1906 - August 29, 1958) was an American storyboard artist, writer, director and producer of animated films. He is best known for his work with Fleischer Studios and its successor, Famous Studios. When credited, his work appeared under varying versions of his name, including "Izzy Sparber," "I. Sparber," "Irving Sparber," and "Isidore Sparber" or "Isadore Sparber." Wikipedia