| |  | David Sarnoff (February 27, 1891-December 12, 1971) was the Pioneer of American Television and founder of the [National Broadcasting Corporation],... |  | Lee De Forest was an American inventor with over 300 patents to his credit. De Forest invented the Audion, a vacuum tube that takes relatively weak... |  | Guglielmo Marconi [gue:lmo mar'ko:ni] (25 April 1874 - 20 July 1937) was an Italian inventor, best known for his development of a radiotelegraph... |  | Reginald Aubrey Fessenden (October 6, 1866 - July 22, 1932) was a Canadian inventor, best known for his work in early radio. Three of his most... |  | Foster William Hewitt, OC (November 21, 1902 - April 21, 1985) was a Canadian radio pioneer. Born in Toronto, Ontario, Hewitt attended Upper Canada... |  | Nikola Tesla (10 July 1856 - 7 January 1943) was an inventor, physicist, mechanical engineer and electrical engineer. Born in Smiljan, Croatia, he... |  | Edwin Howard Armstrong (December 18, 1890 - January 31, 1954) was an American electrical engineer and inventor. Armstrong was the inventor of the... |  | Ernest Rutherford, 1st Baron Rutherford of Nelson OM PC FRS (30 August 1871 - 19 October 1937), widely referred to as Lord Rutherford, was a... |  | Many people were involved in the invention of radio transmission of information as we know it today. Despite this, during its early development and... |  | Alexander Stepanovich Popov was a Russian physicist who was the first to demonstrate the practical application of electromagnetic (radio) waves,... | |
