Yannis Tsividis Yannis P. Tsividis is Columbia's Edwin Howard Armstrong Professor of Electrical Engineering. Articles by Yannis Tsividis Science & Technology Edwin Armstrong: Pioneer of the Airwaves A brilliant engineer well ahead of his time, Edwin Armstrong fought all his life to champion the inventions that made modern radio possible
Science & Technology Edwin Armstrong: Pioneer of the Airwaves A brilliant engineer well ahead of his time, Edwin Armstrong fought all his life to champion the inventions that made modern radio possible