Olav Duun was a Norwegian novelist who wrote in the early 20th century. He is best known for his six-volume novel, The People of Juvik, which won him the Nobel Prize in Literature in 1928. He also wrote several other novels, short stories, and plays. His works often focused on the lives of rural people in Norway and their struggles with poverty and social injustice. He is considered one of the most important Norwegian authors of all time.