Matti Makkonen is the Finnish engineering and mobile telephony pioneer widely credited with inventing Short Message Service (SMS), the communications protocol that allows the interchange of short text messages between mobile phone devices. SMS technology has facilitated the development and growth of text messaging, a phenomenally popular method of communicating.
http://w3.cantos.com/08/eiu-awar-810-a8eh2/interviews.php?interviewee=4