Sir John Franklin was a famous British explorer of the 19th Century. His expedition to the Canadian High Arctic, involving two ships and 128 navy men, went missing in 1848. It took ten more years to discover their tragic fate, with many details still not known. The two ships, the Erebus and the Terror, disappeared under the Arctic ice. They were not discovered until 2014 and 2016 respectively. Against a background of political and public celebration...