The vast Pacific Ocean covers one third of the world’s surface, and the story of its exploration and settlement is an epic tale of human endeavour. The three key speakers are a fascinating mix…

Sir Ernest Shackleton died suddenly; so suddenly that he said no word at all with regard to the future of the expedition. But I know that had he foreseen his death and been able to communicate to me his wishes, they would have been summed up in the two words, “Carry on!”