Oslo being the first Opera House in the world to let people walk on the roof of the building. The foyer and the roof are also used for concerts as well as the three stages. Most great Norwegian authors have lived in Oslo for some period in their life. For instance, Nobel Prize-winning author Sigrid Undset grew up in Oslo, and described her life there in the autobiographical novel "Elleve år" (1934; translated as "The longest years"; New York 1971). The playwright Henrik Ibsen is probably the most famous Norwegian author. Ibsen wrote plays such as "Hedda Gabler", "Peer Gynt", "A
Per Gynt Per Gynt "Per Gynt" () is a Norwegian fairy tale which originated in the traditional region of Gudbrandsdal. It encompasses the themes of identity and relationship. "Per Gynt" tells the folktale of the eponymous Per Gynt and his various exploits. Per Gynt was a hunter from Kvam in Oppland. He rescues three dairy-maids from trolls and shoots the Bøyg, a troll which takes the form of a gigantic serpent and stands as a hindrance to travellers. The fairy tale is most famously recorded by Peter Christen Asbjørnsen and Jørgen Moe in "Norwegian Folktales" ("Norske Huldre-Eventyr og Folkesagn") which was first