Though now concentrating on a non-technical writing career Rob Walters is a successful author of approachable technical books published by Artech House, Wiley and Blackwell. His interest in Hedy Lamarr and George Antheil arose whilst researching the area of spread spectrum, a period during which he spent much of his time teaching people of all backgrounds about mobile communications. He is an accomplished communicator via the written word (magazine articles, books, newsletters, etc), and the spoken word at conferences and in the classroom. Rob is a patent holder. He therefore has a good understanding of the world of invention in addition to expertise in the technology which Hedy Lamarr and George Antheil unearthed. He has been writing seriously for well over a 15 years, including books about his home city of Oxford, travel books and novels. He also enjoys guiding people around the beautiful city of Oxford. More details on current and past activities are available at Rob's website: www.robsbookshop.com