Karl Ferdinand Braun

Physics

Karl Braun won the 1909 physics Nobel Prize jointly with Guglielmo Marconi "in recognition of their contributions to the development of wireless telegraphy." Braun made many contributions in the field of electricity including the cathode ray oscillograph and an electrometer. In 1898 he became interested in transmitting Morse code wirelessly by 1902 he received a wireless message encoded on an electric wave, through an antenna.