This book offers a solution to one of film history’s major controversies: the long-running dispute over Orson Welles’ and Herman J. Mankiewicz’s contributions to the Citizen Kane screenplay. It establishes the vital importance of computing and statistics to solving previously intractable puzzles in the arts and humanities.

Citizen Kane (1941) is one of the most acclaimed films in the history of cinema. For 50 years it topped the Sight & Sound film critics’ poll. Orson Welles directed the film and is credited with co-writing the...