Its occupants were believed to include British billionaire Hamish Harding, OceanGate CEO Stockton Rush, legendary Titanic explorer Paul-Henri Nargeolet, British businessman Shahzada Dawood and Dawood’s 19-year-old son Suleman. Stockton Rush, age 61Rush was the CEO of OceanGate. Paul-Henri Nargeolet, age 77Nargeolet was a world-renowned Titanic expert who has completed more than 30 dives to the historic wreck. His photos of the ship reportedly inspired his friend James Cameron’s 1997 classic, “Titanic,” according to Reuters. Nargeolet is perhaps best known for his work on the Titanic, to which he has dedicated most of his career.