Jon Landau, Oscar-winning 'Titanic' and 'Avatar' producer, dies at 63

LOS ANGELES (AP) — Jon Landau, an Oscar-winning producer who worked closely with director James Cameron on three of the biggest blockbusters of all time, “Titanic” and two “Avatar” films, has died. He was 63.Landau’s family announced his death Saturday. No cause of death was given.Landau’s partnership with Cameron led to three Oscar nominations and a best picture win for 1997’s &a