Background
He was born in Stavanger to school inspector and politician Rasmus Tveteraas and Laurentze Mæle, and was a brother of printmaker Vilhelm Tveteraas.
Librarian writer Knight National Librarian
He was born in Stavanger to school inspector and politician Rasmus Tveteraas and Laurentze Mæle, and was a brother of printmaker Vilhelm Tveteraas.
He was assigned with the University of Oslo Library for forty years, from 1929. From 1969 to 1974 he served as riksbibliotekar (National Librarian). Among his works are the first three volumes of Den norske bokhandels historie (1950-1986).