sentences: "The Battle Over Citizen Kane" also details the lives of Orson Welles and William Randolph Hearst before "Citizen Kane", and Hearst's manipulation of the heads of the four largest Hollywood studios—Columbia Pictures, Metro-Goldwyn-Mayer, Paramount Pictures, and Warner Bros.—to combine their efforts and financial strength to buy the camera negative of the film from RKO with the express purpose of destroying it, and how the film affected their lives after the release of the film.