Yngvar Hagen
Yngvar Hagen was a Norwegian zoologist.Biography
Hagen was born in Fredrikstad, Norway.
From 1937 to 1938 he participated in the Norwegian Scientific Expedition to Tristan da Cunha in the southern Atlantic Ocean. The material of this expedition was used in his doctoral dissertation Birds of Tristan da Cunha.
Hagen worked both at the University of Oslo and Trondheim Science Museum, was the chairman of the Norwegian Zoological Society from 1955 to 1958, and was a manager at the Norwegian National Wildlife Survey, conducting wildlife surveys, from 1955 to 1977.
In Norway, he is best known for Rovfuglene og viltpleien, which generated discussion about the place of raptors in nature.
