Writing · b. 1912 · Iceland Sigurdur Thórarinsson Biography Sigurdur Thórarinsson (Sigurður Þórarinsson) was an Icelandic geologist and volcanologist. Other Credits Fire on Heimaey Writer 1990 Vatnajökull Screenplay 1977 The Eruption of Hekla 1947/8 Writer 1972 Birth of an Island Writer 1964 The Hillside Is Beautiful Screenplay 1955 Agent-readable