Robert John Langdon is a writer, historian and social philosopher who worked as an analyst for the government and some of the largest corporations and education institutes in Britain including British Telecommunications, Cable and Wireless, British Gas and University of London. Since his retirement five years ago, Robert has studied Archaeology, Philosophy and Quantum Mechanics at University College London, Birkbeck College, The City Literature Institute and Museum of London. He has three children and two grandchildren and lives on the South Downs in East Sussex, where he owns a book shop which sells his literature and associated maps and prints. He has been studying Archaeology, Anthropology and Philosophy for over 30 years.