Alex Christiansen (17 February 1925 â 4 July 2010) was a Norwegian architect.
He took his education in Zurich. With his own architect's office, he was central in shaping large residential areas in Oslo like RomsÃÂ¥s and Lysejordet. He won an architectural prize from Oslo Municipality in 1984. He died in July 2010 in Bærum.