ROBERT D. BALLARD has conducted more than 150 expeditions and is a world-renowned pioneer in deep-sea exploration. He is best known for finding the wreck of Titanic, but he also discovered hydrothermal vents, ancient ships and artifacts in the Black Sea, and many other historic shipwrecks including Bismarck,Lusitania, and PT-109. Since 2008 he has managed Nautilus, his flagship for exploration, operated by the Ocean Exploration Trust and funded in part by NOAA. Among his many honors he holds the Explorers Club Medal, the National Geographic Hubbard Medal, and the National Endowment for the Humanities Medal. He lives in Lyme, Connecticut. nautiluslive.org Twitter: @EVNautilus Facebook: Nautilus Live
An investigative reporter and editor at the New York Times for 22 years, Christopher Drew wrote the best-selling book Blind Man's Bluff: The Untold Story of American Submarine Espionage. He has also worked for the Chicago Tribune and the Wall Street Journal. He now holds the Fred Jones Greer Jr. Endowed Chair at the Manship School of Mass Communication at Louisiana State University. He lives in Baton Rouge, Louisiana.