Complex sentence: Olav Meisdalshagen (17 March 1903--21 November 1959) was a Norwegian politician for the Labour Party best known for serving as the Norwegian Minister of Finance from December 1947 to November 1951 and as the Norwegian Minister of Agriculture from January 1955 to May 1956.
Split into simpler sentences: Olav Meisdalshagen (17 March 1903--21 November 1959) was a Norwegian politician for the Labour Party. He is best known for serving as the Norwegian Minister of Finance from December 1947 to November 1951 and as the Norwegian Minister of Agriculture from January 1955 to May 1956.