Gunnar Mattsson
Kaj Gunnar Wolter Mattsson (5 May 1937 – 9 August 1989) was a Swedish-speaking Finnish writer and journalist. Mattsson rose to fame as a result of his book Prinsessan. The book was translated into some thirty languages, including English, it was a bestseller in Finland and was filmed as A Time in the Sun in Sweden. His other notable works include the sequel Prinsen (The Prince, 1966), Jätten (The Giant, 1969), and Kungen (The King, 1971).