What is the fine-grained topic of the following text: Torbjørn Andersen and Espen Voll first gained recognition after co-founding Oslo-based Norway Says, a Norwegian design outfit that along with Swedish groups including Front and Claesson Kolvisto Rune, has helped to define Scandinavian design. Only return the topic.
Co-founding of Norway Says by Torbjørn Andersen and Espen Voll and its contribution to Scandinavian design