Career
He was appointed associate professor at Telemark University College in 1977, and was a professor at the University of Oslo from 1993 until reaching the emeritus age in 2015. He is the younger brother of Erlend Rian. Rian is openly gay.
He was appointed associate professor at Telemark University College in 1977, and was a professor at the University of Oslo from 1993 until reaching the emeritus age in 2015. He is the younger brother of Erlend Rian. Rian is openly gay.
Norwegian Academy of Science and Letters]
He is a member of the Norwegian Academy of Science and Letters.