 Oscar-winning producer John Landau has died. He is best known for being James Cameron's right-hand man on blockbusters Titanic and Avatar. Together the pair accounted for some of the biggest blockbusters in movie history. Landau was 63. This is CBS News. Think O'Reilly Auto Parts for all your car care needs. Get the parts and service you need fast from the professional parts people at O'Reilly Auto Parts.