is an inventor
. He has invented several things including colour computer graphics (U.S. Patent 4,303,986 Data processing system and apparatus for color graphics display) and the first mass produced pointing device (not a computer mouse
but a digitizing tablet
), the HI Pad, made by Houston Instruments.
His most important invention has to be the GP&C (Global Positioning and Communication) navigation system. It is able to show the user the exact position, direction and velocity of not only the own vehicle, but also for craft positioned nearby. The system is widely used in aircrafts and ships.
See also: List of inventors, List of Swedes