Alistair Forbes Mackay was a Scottish physician, biologist, and polar explorer known for being the first, along with Australians Douglas Mawson and Edgeworth David, to reach the South Magnetic Pole on 16 January 1909, during the British Antarctic Expedition of 1907–1909.

Sir Douglas Mawson was a British-born Australian geologist, Antarctic explorer, and academic. Along with Roald Amundsen, Robert Falcon Scott, and Sir Ernest Shackleton, he was a key expedition leader during the Heroic Age of Antarctic Exploration.