Radio came into being after there were significant developments that were made in wireless telegraphy. It was James Clarkes Maxwell who showed that the electromagnetic waves could travel through the empty space and other Scientists such as Heinrich Rudolf Hertz demonstrated the ability of the radio wave. Nikola Tesla is regarded by many as one of the pioneers of telecommunication for the purpose of information. In 1897, he even applied for two patents one of which was a radio patent. He even developed the several wireless control devices. His electromagnetic receivers were more responsive than the coherers that were used by Marconi later. The term radio was used for the first time after 1920. Earlier to that wireless telegraphy was the term that was widely used.
Guglelmo Marconi was among the first to show the ability of the radio that has implications in the military, marine and commercial applications and he even started a company for the development of radio communication services and the devices. At the turn of the century, Marconi conducted the first transatlantic radio communications and was even awarded a patent for the invention of the radio.
The boom in radio broadcasting came after 1919 and by the mid 1920’s; popular radio programs for commercial purpose were being broadcast. In 1933 the FM radio was patented and after the WWII, the FM radio broadcast started in Germany. The first transistor radio was launched in the 1960 by Sony that was powered by the battery and proved to be a hit instantly.