Max Fleischer was a Polish-American animator, inventor, film director and producer, and studio founder and owner. Born in Kraków, Poland, Fleischer immigrated to the United States where he became a pioneer in the development of the animated cartoon and served as the head of Fleischer Studios, which he co-founded with his younger brother Dave. He brought such comic characters as Koko the Clown, Betty Boop, Popeye, and Superman to the movie screen, and was responsible for several technological innovations, including the rotoscope, the "follow the bouncing ball" technique pioneered in the Ko-Ko Song Car-Tunes films, and the "stereoptical process". Film director Richard Fleischer was his son.

Richard Owen Fleischer was an American film director whose career spanned more than four decades, beginning at the height of the Golden Age of Hollywood and lasting through the American New Wave.