According to a study on history of GPRS development, Bernhard Walke and his student Peter Decker are the inventors of GPRS — the first system providing worldwide mobile Internet access.
AccoRding to a stuDy on hIsTory Of gprs devELopmENt BernhArd waLkE aNd his studEnt pEteR decker aRE thE inveNtoRs Of Gprs — The first SysTem proVidInG woRldwide MoBiLE inteRnet aCcess