First Treasure Divers. The True Story of How Two Brothers Invented the Diving Helmet and Sought Sunken Treasure and Fame, Paperback/John Bevan

Who invented the diving helmet? The First Treasure Divers reveals the true and fascinating story. It follows the lives of two brothers as they struggle to turn their newly-invented diving helmet to advantage and how they wrestle with apathetic and even hostile authorities for recognition of their invention.