The first known sighting of Ellef Ringnes Island was in 1901 by a sledging party consisting of Gunerius Isachsen and Sverre Hassel, members of the Second Norwegian Arctic Expedition of 1898--1902, which was under the command of Otto Sverdrup.
The first known sighting of Ellef Ringnes Island was in 1901 by a sledging party. This sledging party was consisting of Gunerius Isachsen. This sledging party was consisting of Sverre Hassel, members of the Second Norwegian Arctic Expedition of 1898--1902.1898--1902 was under the command of Otto Sverdrup.