- For the Canadian cartoonist, see Sean Martin .
(b. in Weston-super-Mare, England in 1966) is an Anglo-Irish writer and film director. He has written popular books on the Knights Templar and the Cathars, and appeared on History Channel documentaries such as Decoding the Past: The Templar Code
and in Channel 5's Secrets of the Cross: The Trial of the Knights Templar
Martin studied film and history in Plymouth, and later lived in London. He is also a poet, and has had a number of poems published in various magazines in the UK and Ireland. His latest book is The Gnostics: The First Christian Heretics
, on the subject of the early Christian Gnostics. He is currently writing a book on new wave cinema, due for publication in 2010.