Scottish television presenter and author who is known for hosting the BBC documentary series A History of Scotland and Vikings.
He studied archaeology at the University of Glasgow and later had his television debut in 2002 when he was featured on BBC Two's Two Men in a Trench.
He was awarded an Honorary Doctorate of Letters by The University of Abertay Dundee in 2011.
He has three children with his wife, Trudi.
He wrote a book for the Channel 4 documentary Not Forgotten, presented by Ian Hislop in 2005.
