Per Roger Lauritzen (born 1956) is Norwegian non-fiction writer. He hails from Asker. He has worked as an editor for the Norwegian Trekking Association for more than thirty years, and has published more than fifty books. He was awarded ''Den norske friluftslivprisen'' in 2007, jointly with

Leif Ryvarden Leif Randulff Ryvarden (born 9 August 1935) is a Norwegian mycologist. Early life and education Leif Ryvarden was born in Bergen as a son of Einar Norberg Johansen (1900–1959) and Hjørdis Randulff (1912–1975). He finished his secondary edu ...

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1956 births Living people People from Asker Norwegian non-fiction writers Norwegian nature writers {{Norway-writer-stub