born 1940, Springfield, Mass., U.S.
U.S. computer scientist.
He received a Ph.D. from the University of Utah. In 1972 he joined Xerox's Palo Alto Research Center and continued work on the first Ethernet , laser printing, and client-server architecture . He left Xerox in 1983 and became a fellow at Apple Computer in 1984. His design of a {{link=graphical user interface">graphical user interface was used in Apple's Macintosh and later in Microsoft's Windows operating system. He was a fellow at the Walt Disney Co. (1996–2001) and the Hewlett-Packard Co. (from 2002).