Erling Kagge is a Norwegian explorer, mountaineer and writer. Kagge is the author of multiple books, including NORTH POLE - The History of an Obsession, and Silence, which is published in 43 languages. Kagge was the first in history to walk alone to the South Pole and the first to reach the North Pole, the South Pole and the summit of Mount Everest on foot. New York Times has described him as "a philosophical adventurer or perhaps an adventurous philosopher."