books.google.com - Inspired by his nearly-deaf mother and a father who developed a “visible alphabet” of all the possible sounds a human being can make, Alexander Graham Bell spent the greater part of his life trying to improve the way people communicated with one another. It was this desire that led him to create...http://books.google.com/books/about/Alexander_Graham_Bell.html?id=m_qjIoVvzUYC&utm_source=gb-gplus-shareAlexander Graham Bell
