<P> The quasi-biographical film examines the life and legacy of Charles Foster Kane , played by Welles , a character based in part upon the American newspaper magnate William Randolph Hearst , Chicago tycoons Samuel Insull and Harold McCormick , and aspects of Welles 's own life . Upon its release , Hearst prohibited mention of the film in any of his newspapers . </P>
who was the movie citizen kane based on
based in part upon the American newspaper magnate William Randolph Hearst , Chicago tycoons Samuel Insull and Harold McCormick , and aspects of Welles 's own life