Vintage portrait photo circa 1910s of Antarctic explorer and geologist Sir Douglas Mawson (1882 - 1958). British-born Mawson was among the first people to explore the continent of Antarctica and was regarded as a national hero in Australia, the country he moved to as a young boy. He was a member of Ernest Shackleton's British Antarctic Expedition (1907 - 1909), also known as the Nimrod Expedition, during which he was part of the first team to climb Mount Erebus (1908) and part of the first team to reach the Magnetic South Pole (January 1909). From 1911 to 1914 Mawson commanded the Australasian Antarctic Expedition and he later commanded the British, Australian and New Zealand Antarctic Research Expedition (BANZARE) of 1929 - 1931. Photo by Bain News Service.