Robert Pirosh was an Oscar-winning Hollywood screenwriter who penned either alone or with writing partners some of Tinseltown’s most famous productions, including the Marx Brothers’ A Night at the Opera, The Wizard of Oz, I Married a Witch, and the television series which later inspired the film, The Fugitive. This week on the water He started out in New York as a copywriter for an ad agency – but he had always longed to emigrate to Los Angeles and make his name in the capital of celluloid....