Step 1 : Introduction to the question "Which Academy Award-winning filmmaker made a historic solo expedition to the Mariana Trench?"
...Academy Award-winning filmmaker James Cameron is renowned not only for directing blockbuster films such as Titanic and Avatar, but also for his passion for deep-sea exploration. In 2012, Cameron became the first person to make a solo descent to the Challenger Deep, the deepest known point in the Mariana Trench, reaching nearly 36,000 feet below the ocean's surface. During the historic mission, he made scientific observations and collected samples, demonstrating that his spirit of exploration extends far beyond filmmaking.