Alessandro Volta

u 1745-1827

u Battery (1800)

u Associate of Galvani

u “Metallic” vs. “Animal” electricity

Andre Marie Ampere

u 1775-1836

u Electric Current Defined by Magnetic Force

Georg Simon Ohm

u 1787-1854

u Mathematician

u Electrical Resistance

Thomas Alva Edison

u 1847-1931

u Electric Light(1879)

u DC Power Transmission(1880)

u Phonograph(1877)

u Telephone Engineering (1876)

u Stock Ticker(1871)

Induction Motor(1887)

Polyphase Circuits

Nikola Tesla

Alexander Graham Bell

u 1847-1922

u Telephone(1876)

Marchese Guglielmo Marconi

u 1874-1937

u Long-Distance RadioTansmission (1895)

Lee DeForest

u 1873-1961

u Triode (1906)

u First Amplifying Tube

Philo Farnsworth

u 1906-1971

u Television (1927)

Alan Turing

u 1912-1954

u Inventor of Computer

u ``The Enigma’’ decoder

u ``Turing Machines’’

J. Bardeen, W. Brattain, W. Shockley

u Transistor (1947)

u Bell Laboratories, Murray Hill, N. J.

Robert Noyce

u Co-Inventor of Integrated Circuit (ca. 1962)

u Co-Founder of Intel

Gordon Moore

u Co-Inventor of Integrated Circuit

u Co-Founder of Intel

u B. S. Chemistry, UC Berkeley, 1950

Andrew Grove

u Born 1936, Budapest

u Ph. D. U. C. Berkeley, Chemical Engineering, 1963

u Semiconductor Device Physics and Fabrication

u Chairman and CEO of Intel

Other Notable Inventions

u 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)