Robert D. Ballard is a renowned oceanographer, marine archaeologist, and explorer best known for discovering the wreck of the RMS Titanic in 1985. A former U.S. Navy officer and Woods Hole Oceanographic Institution scientist, Ballard has led over 150 deep-sea expeditions and discovered numerous historic shipwrecks, including the Bismarck and USS Yorktown. His pioneering work in deep-sea robotics and underwater exploration has revolutionized marine archaeology. Ballard founded the Ocean Exploration Trust and continues to inspire new generations through educational initiatives. His books, including "The Discovery of the Titanic" and "Return to Titanic," share his groundbreaking underwater discoveries with the world.