Jon Landau, the Oscar-winning producer known for his collaborations with director James Cameron on blockbuster films such as 'Titanic', 'Avatar', and 'Alita: Battle Angel', has passed away at the age of 63 after a battle with cancer. Landau's career spanned nearly four decades, during which he championed innovative filmmaking and pushed the boundaries of visual effects. He was instrumental in producing three of the four highest-grossing movies of all time. His contributions to the film industry have left a lasting legacy, and he is remembered as a passionate and highly skilled producer.