Teachers' Association, and was a board member of the Nordic Teachers' Association. He was also chairman of the East Iceland constituency council of the Independence Party. Selected works Jón Hnefill published prolifically, in several languages. Among his books were: Kristnitakan á Íslandi. Reykjavík: Almenna bókafélagið, 1971; rev. ed. Háskólaútgáfan/University of Iceland Press, 1999. Under the cloak: The acceptance of Christianity in Iceland with particular reference to the religious attitudes prevailing at the time. Studia ethnologica Upsaliensia 4, 1978. (PhD thesis) Under the Cloak: A Pagan Ritual Turning Point in the Conversion of Iceland. Reykjavík: University of Iceland, 1979; rev. ed. 1999 Þjóðtrú og þjóðfræði. Reykjavík: Iðunn, 1985 A Piece of Horse Liver: Myth, Ritual, and Folklore in Old Icelandic Sources. Reykjavík: University of Iceland Press, 1998. (collected essays in English translation) Þá hneggjaði Freyfaxi: Frá staðfræði til uppspuna í Hrafnkels sögu Freysgoða. Reykjavík: Háskólaútgáfan/University of Iceland Press, 2000. Personal life He was married in 1955 to the writer and Member of Alþingi Svava Jakobsdóttir, who died in 2004; they had one son, Jakob S. Jónsson, a director and playwright. He had two sons from previous relationships, Kristján Jóhann Jónsson, who teaches Icelandic literature at the University of Iceland, and Örlygur Hnefill Jónsson, a lawyer. References Jon Hnefill Adalsteinsson Jon Hnefill Adalsteinsson 1927 births 2010 deaths Jon Hnefill Adalsteinsson Jon Hnefill Adalsteinsson Old Norse studies scholars Stockholm University alumni Uppsala University alumni Academic staff of the University of Iceland Writers on Germanic paganism