sets itself using the GPS satellite's atomic clock and re-sets itself automatically whenever crossing into a new time zone. In 2000, after his four-year stint at WebMD, Tog joined his colleagues as the third principal at the Nielsen Norman Group, along with Jakob Nielsen and Don Norman. Bibliography The Apple Human Interface Guidelines (1987) (uncredited, author is Apple Computer, Inc) Tog on Interface (1992) Tog on Software Design (1995) References External links Ask Tog - Bruce Tognazzini's official site. The Starfire Home Page, including link to download film Apple Inc. employees American people of Swiss descent Living people 1945 births People from the San Francisco Bay Area