Agnar Helgason (born 31 July 1968 in ReykjavÃÂk) is an Icelandic scientist working with genetic anthropology. PhD in Biological Anthropology, University of Oxford, 2001. He is best known for his research on the origin of Icelandic population. He is a brother of ÃÂsgeir Helgason, the son of Helgi Valdimarsson and a brother-in-law of Tim Moore (writer).