Mr Mearns has located 29 major wrecks in a career spanning 35 years, including the 16th century ship The Esmeralda from Vasco da Gama’s fleet, and Ernest Shackleton’s Quest ship, which went down off ...

Concerns were often raised as to how his opinions would feature when he became monarch. The head of state is a non-political figurehead and must remain strictly neutral. But when he turned 70, four ...