He was the son of Marius William Munthe-Kaas (1856-1926) and Hermine Cathrine Blichfeldt (1863-1937).
Munthe-Kaas graduated from Kristiania tekniske skole (now Oslo University College) in 1910 and Norwegian National Academy of Craft and Art Industry (Statens Håndverks- og Kunstindustriskole) in 1912.
In 1918, Munthe Kaas attended the Royal Institute of Technology in Stockholm and during 1919-20 the Academy of Arts in Copenhagen.
The firm discontinued a few years after Gudolf Blakstad death in 1989.
[3] [4] Their work also included the City Hall in Haugesund (1931), Elgeseter Bridge (1951) in Trondheim, Bodø Cathedral (1956) in the Diocese of Sør-Hålogaland and Alfaset chapel (1972) in Oslo.