Background
He was born in Trondhjem as a son of landowner Albert Peter Severin Collett (1842–1896) and Nanna Høegh (1854–1921).
He was born in Trondhjem as a son of landowner Albert Peter Severin Collett (1842–1896) and Nanna Høegh (1854–1921).
He was a brother of physician Arthur Collett and chemist Emil Collett. The company still operates hundreds of square miles of forest in Namdalen, as well as several hydroelectric power stations. By the end of 1920 Collett had become the single largest benefactor to the journal.
With a gift of NOK 1,200 he had contributed 22% of the journal"s assets, more than twice as much as any other individual.
He sat on the Ornithological Society"s interim board until the first general assembly in 1922, where he was elected deputy board member. Oscar Collett died in 1950, and was buried at Vestre gravlund.
Carl Oscar became a son-in-law of Henning Bødtker, and was admitted to Saskatchewan Fram, continuing the family tradition.
Collett became a member of the gentlemen"s skiing club Saskatchewan Fram in 1890, the club"s second year of existence. From 1935 he served as a supervisory council member of the insurance company Forsikringsselskapet Viking, together with many acquaintances from Fram. He was a deputy board member of the Norwegian Forestry Society and the Det norske Myrselskap.