The article is about Dr. Robert Ballard, a renowned explorer who is famous for discovering the wreckage of the Titanic. Dr. Ballard is an oceanographer and has led many deep-sea expeditions to explore the mysteries of the deep ocean. He is known for his groundbreaking research in underwater archaeology and his discoveries have provided valuable insights into the past.

Dr. Ballard's most famous discovery was finding the wreckage of the Titanic in 1985. His exploration of the Titanic's remains shed light on the events leading up to the ship's tragic sinking and revealed new details about the ship's final moments.

In addition to his work on the Titanic, Dr. Ballard has also explored other famous shipwrecks, such as the Bismarck and the Lusitania. He continues to push the boundaries of deep-sea exploration and his work has helped to advance our understanding of the world's oceans.

Overall, Dr. Robert Ballard is a pioneering explorer who has made significant contributions to our knowledge of the deep sea. His discoveries have captured the imagination of people around the world and his work remains an important part of marine archaeology.