In 1892 Tesla created his radio. Marconi got a patent using some Tesla's patents but it was revoked and given to Nikola Tesla as the inventor. Anyways, Marconi's radio had a very short range and the...
Born Seattle 8th February 1906 - 19th September 1968. He invented Xerography in 1938 and 21 years later the first office copier was available to the public.