Ivar Aasen

Ivar Andreas Aasen (Norwegian pronunciation: [ˈîːvɑr ˈòːsn̩]; 5 August 1813 – 23 September 1896) was a Norwegian philologist, lexicographer, playwright, and poet. He is best known for having assembled one of the two official written versions of the Norwegian language, Nynorsk, from various dialects.