A pioneer and scientific researcher and educator in the area of on-line group support systems, including email, groupware, usability, object oriented systems, distance learning and the World Wide Web. Listed (CERN/W3C) as an original World Wide Web Developer in recognition for contributions to HTML 1.0, development of the first screen oriented ("curses") WWW browser, and a wide range of server side functionality including database, man pages, email archives and groupware interfaces.