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Heinrich Rudolf Hertz proved the theory that transmitted airborne electromagnetic waves can be used to make a radio produce sounds.
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Professor William Henry Bragg of Adelaide University was able to send the first transmissions in conjunction with G. W. Shelby of Melbourne.
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By now, Marconi has been producing several radio transmissions. He has managed to send them up to 2,100 miles away.
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The U. S. Patent Office awarded Marconi a patent for the invention of the radio.
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The first radio broadcast that produced music was presented privately by AWA, Amalgamated Wireless Australasia.
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Galvin Manufacturing Corporation had a stock market drop, and Paul Galvin encouraged them to invent the first radio that could be added to vehicles.
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After many years work, there has been many inventions and brands of radios added into history. Many people can even connect their phones to their radio by chord or wirelessly to play music. Radio's have improved tremendously.
