Lynton Diggle is a retired documentary filmmaker and winner of 23 international awards, including two gold medals at the New York Film Festival.Lynton retired from filmmaking in 1986 and joined Edith in researching shipwrecks. Lynton and Edith are members of the Underwater Heritage Group.Edith Diggle's interest in things marine and nautical began when she married Lynton in 1959. In 1986 Edith began researching shipwrecks. Her work on the wreck of the Tasmania is very extensive (Lynton and Edith were with Kelly Tarlton on his early endeavours to find the Rothschild's jewels).Keith Gordon started sport diving in the early 1950s. He has been involved with shipwreck research and exploration projects around New Zealand, the South Pacific and Southeast Asia. He is a Director of SeaROV Technologies Ltd., a company specializing in underwater exploration. Keith is also a member of maritime archaeological institutions, historical diving societies and a Fellow of the Explorers Club.