Bernard Lowry has had a lifelong interest in military architecture. He is a founder member of the Offa's Dyke Association and the Castle Studies Group, and for seven years was Hono...view moreBernard Lowry has had a lifelong interest in military architecture. He is a founder member of the Offa's Dyke Association and the Castle Studies Group, and for seven years was Honorary Secretary of the Fortress Study Group. After taking retirement he was for several years an Area Co-ordinator for the award-winning Defence of Britain Project.view less