Norwegian modernist architect
Amongst his award winning projects:
Bakkehaugen Church, Tåsen, Oslo
He created in the 1960s a concrete method called Naturbetong or natural concrete which was and continues to be created by sandblasting concrete with stones. The method was adopted by Pablo Picasso and Karl Nesjar who used it on a (now demolished) Y-Block government building in the central government district of Oslo.