Kai Birger Knudsen (25 June 1903 – 3 March 1977) was a Norwegian judge and politician for the Labour Party. He was born in Vardø as a son of kemner Kai Angell Knudsen (1869–1944) and Julie Huse (1873–1952). He finished his secondary education in 1922, and graduated with the cand.jur. degree in 1926. He worked as an auditor in Haugesund 1926-1927, then deputy judge for the Heddal District Court from 1928-1930, and junior solicitor in Notodden Municipality 1930-1935.
https://en.wikipedia.org/wiki/Kai_Knudsen