Who are Ernest Shackleton and Robert Falcon Scott?

Robert Falcon Scott CVO (6 June 1868 - 29 March 1912) was an English Royal Navy officer and explorer who led two expeditions to the Antarctic regions: the Discovery Expedition and the Terra Nova Expedition, during which Captain Scott died.

Sir Ernest Henry Shackleton, CVO, OBE (15 February 1874 - 5 January 1922) was an Anglo-Irish explorer who was one of the principal figures of the period known as the Heroic Age of Antarctic Exploration.