The document analyzes the beginnings of three films: Citizen Kane (1941) directed by Orson Welles and written by Welles for RKO Studios, Back to the Future (1985) directed by Robert Zemeckis and written by Zemeckis and Bob Gale for Universal Studios, and When Harry Met Sally (1989) directed by Rob Reiner and written by Nora Ephron for MGM Studios. It also provides character descriptions for the main characters Harry and Sally in When Harry Met Sally.