Given the task definition and input, reply with output. Generate a correct and concise answer for the question based on the words in the context.

Context : Gunnar Nylund (1904--1997) was a Swedish ceramic designer since the 1930s, best known as the artistic director of Rorstrand, was already a well-established ceramic artist in Denmark first at the Bing & Grndahl Porcelain factory in Copenhagen 1925-28.
Question : When did the life of Gunnar Nylund end?
1997