For which feat of endurance is the Norwegian explorer, photographer, writer and former deep sea diver for the oil industry whose diving was mostly carried out in a marginal sea of the Atlantic Ocean located between Great Britain and Scandinavia and whose name is Børge Ousland, best known?
Børge Ousland: Børge Ousland (born 31 May 1965) is a Norwegian polar explorer, photographer and writer. Børge Ousland:  He started his career as a Norwegian Navy Special Forces Officer with Marinejegerkommandoen, and he also spent several years working as a deep sea diver for the oil industry in the North Sea. Børge Ousland:  In 1994, he made the first solo and unsupported journey to the North Pole from cape Arktichevsky in Russia. Børge Ousland:  As of 2016, that feat has never been successfully repeated. North Sea: The North Sea is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France.
journey to the North Pole