Belgrave Edward Sutton Ninnis was born in 1887 in London, son of Dr Belgrave Ninnis who served as surgeon on the British Arctic Expedition, 1875-1876 (leader George Strong Nares). In 1908, he was commissioned in the Royal Fusiliers, advancing to lieutenant in 1912. He joined the Australasian Antarctic Expedition, 1911-1914 (leader Douglas Mawson) and was in charge of the Greenland dogs at the Adelie Land base. He died on 14 December 1912 when he fell into a crevasse on a sledge journey across King George V Land accompanied by Mawson and Xavier Mertz.
From the guide to the Belgrave Ninnis collection, 1911-1914, (Scott Polar Research Institute, University of Cambridge)