John Amrhein, Jr. began his research in 1977 to facilitate his search for sunken shipwrecks. He is now the leading authority on the 1750 Spanish fleet. In 2007, he published The Hidden Galleon; The true story of a lost Spanish ship and the wild ponies of Assateague Island, his first installment and now Treasure Island: The Untold Story. He is a graduate of the University of South Carolina and resides on the Outer Banks of North Carolina. You can see his Treasure Island presentation on YouTube.