Geoff Ball had been waiting 30 years for a technological breakthrough on an implantable, comfortable and invisible device that would allow him to hear sounds in the quality that a hearing person does.
But when the world's top researchers couldn't invent a practical "bionic ear," this hearing-impaired member of Immanuel Lutheran Church, Los Altos, Calif. — with no scientific education — created one.
The rest of this article is only available to subscribers.
© 2013 Augsburg Fortress, Publishers
