The book "Der Eskimo" was written by an explorer born in which year ?
Peter Freuchen Lorenz Peter Elfred Freuchen (February 2, 1886 – September 2, 1957) was a Danish explorer, author, journalist and anthropologist. He is notable for his role in Arctic exploration, especially the Thule Expeditions.
Count Johann Nepomuk Wilczek Count Johann (Hans) Nepomuk Wilczek (German: "Hans Graf Wilczek" ; 7 December 1837 – 27 January 1922) was an Austrian arctic explorer and patron of the arts. He was the main sponsor of the Austro-Hungarian North Pole Expedition in 1872–74.