Eric Sauder has been researching ocean liners for nearly four decades. He was historian for Dr Robert Ballard's exploration of the remains of Lusitania and Britannic and has also dived to Titanic, Republic, and Andrea Doria. He has been involved in numerous documentaries for the Arts & Entertainment Channel, The History Channel, The Discovery Channel, and The Learning Channel, as well as the best-selling books Exploring the Lusitania, The Discovery of the Titanic, Titanic: An Illustrated History, and Lost Liners. He has worked on a number of projects with the National Geographic Society and in his spare time, travels frequently by ship.