Mark Horton (archaeologist) references on wikipedia
Mark_Horton_(archaeologist) Mark Chatwin Horton is a British maritime and historical archaeologist, television presenter and writer.He was born 15 February 1956 and is the youngest of four children, the eldest being the industrialist Sir Robert Horton. He is married to archaeologist Catherine (Kate) Clark, Director of the Historic Houses Trust of New South Wales, and they have three children.