Gary David MarshallGary David Marshall is a local history enthusiast who has spent several years investigating the archives of the Bowes Museum. He is custodian of an archive of old photographs from Barnard Castle and the whole of Teesdale. He has been an active campainer to save the castle walls and other historical artefacts throughout the region, and is the main administrator for a Facebook group dedicated to the history of Teesdale. Read More Read Less