Paul Gannon

Paul Gannon is a science and technology writer. He is author of Rock Trails Snowdonia and Rock Trails Lakeland and Rock Trails Peak as well as the widely praised accounts of the birth of the electronic computer during the Second World War, Colossus: Bletchley Park's Greatest Secret and Inside Room 40: The Codebreakers of World War I. He is a dedicated hillwalker and organises landscape walks for hillwalkers interested in finding out more about the geology and scenery of upland areas.