Alessandro Volta u u u u 1745 1827 Battery 1800 Associate of Galvani Metallic vs Animal electricity Andre Marie Ampere u u 1775 1836 Electric Current Defined by Magnetic Force Georg Simon Ohm u u u 1787 1854 Mathematician Electrical Resistance Thomas Alva Edison u u u u u u 1847 1931 Electric Light 1879 DC Power Transmission 1880 Phonograph 1877 Telephone Engineering 1876 Stock Ticker 1871 Nikola Tesla Induction Motor 1887 Polyphase Circuits Alexander Graham Bell u u 1847 1922 Telephone 1876 Marchese Guglielmo Marconi u u 1874 1937 Long Distance Radio Tansmission 1895 Lee DeForest u u u 1873 1961 Triode 1906 First Amplifying Tube Philo Farnsworth u u 1906 1971 Television 1927 Alan Turing u u u u 1912 1954 Inventor of Computer The Enigma decoder Turing Machines J Bardeen W Brattain W Shockley u u Transistor 1947 Bell Laboratories Murray Hill N J Robert Noyce u u Co Inventor of Integrated Circuit ca 1962 Co Founder of Intel Gordon Moore u u u Co Inventor of Integrated Circuit Co Founder of Intel B S Chemistry UC Berkeley 1950 Andrew Grove u u u u Born 1936 Budapest Ph D U C Berkeley Chemical Engineering 1963 Semiconductor Device Physics and Fabrication Chairman and CEO of Intel Other Notable Inventions Electric Generator dynamo Grame 1871 Belguim u Multigrid Tube Langmuir GE 1913 u Transformer Stanley 1885 u Electromagnetism Oersted 1819 Denmark u Fiber Optics Kapany 1955 u
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