After a career in industry, Barry Gamble entered the specialist field of heritage interpretation in the 1990s. This takes him all over the world, and he continues to work regularly and extensively on a variety of subjects in Cornwall and the Isles of Scilly. He was a member of the Bid Team for the Cornwall and West Devon Mining Landscape World Heritage Sites as principal author of the nomination to UNESCO's World Heritage List, and is author of the Pocket Cornwall books Cornish Mines: St Just to Redruth and Cornish Mines: Gwennap to the Tamar.