Mark McCahill has been involved in developing and popularizing a number of Internet technologies since the late 1980s.
McCahill led the development of the Gopher protocol, the effective predecessor of the World Wide Web, he was involved in creating and codifying the standard for Uniform Resource Locators (URLs) and he led the development of POPmail, one of the first e-mail clients which had a foundational influence on later e-mail clients and the popularization of graphical user interfaces in Internet technologies more broadly. He also coined the phrase "surfing the Internet.
He currently works as a systems architect at the Office of Information Technology at Duke University.
wikipedia entry: [https://en.wikipedia.org/wiki/Mark_P._McCahill]