In the years around 1900, a new type of exhibition display was introduced in certain European Museums of Decorative Arts. In traditional displays, the objects had been organized according to materials and techniques, but in the new displays, the objects were presented in their historical context. The new exhibition displays were mainly introduced in British and German museums. However, this article shows that the Norwegian art historians Jens Thiis and Hans Dedekam were key players in the debate about exhibition reform.