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In 1800 Count Alessandro Volta (1745-1827) announced the results of his experiments investigation Galvani's claims about the source of electricity in the frog leg experiment. He undertook to prove that he could produce electricity without the frog. He took the same bimetallic arcs (many of them) and dipped them in glasses of brine.

This was Volta's Couronne des Tasses- his first battery.

The voltaic pile was an improved configuration for a battery. With it he showed that the bimetallic arcs were the source of electricity.

The unit of voltage is named after him.
 

Count Alessandro Volta
Count Alessandro Volta


Video : Count Alessandro Volta

Read more on  history, origin and development of electronics and technology and some great inventions and contribution of some of the greatest scientists and inventors of all times.

Cuneus and Muschenbrock, in Leyden (Netherlands), discovered the Leyden jar in 1745. Read More on  Inventions and Contribution of Cuneus and Muschenbrock to Electronics

Ben Franklin (1746-52 ) flew kites to demonstrate that lightning is a form of static electricity (ESD). Read More on  Inventions and Contribution of Ben Franklin to Electronics

Charles Augustus Coulomb (1736-1806) invented the torsion balance in 1785. Read More on  Inventions and Contribution of Charles Augustus Coulomb to Electronics

 
In the year 1820 Hans Christian Oersted (1777-1851) in Denmark demonstrated a relationship between electricity and magnetism by showing that an electrical wire carrying a current will deflect a magnetic needle. Read More on  Inventions and Contribution of Hans Christian Oersted to Electronics

1822-27 André Marie Ampère (1775-1836) in France gave a formalized understanding of the relationships between electricity and magnetism using algebra. Read More on Inventions and Contribution of André Marie Ampère to Electronics

1826 George Simon Ohm (1787-1854) wanted to measure the motive force of electrical currents . Read More on  Inventions and Contribution of George Simon Ohm to Electronics

Michael Faraday (1791-1867). 1820s Faraday postulated that an electrical current moving through a wire creates "fields of force" surrounding the wire. 1821 Faraday built the first electric motor--a device for transforming an electrical current into rotary motion. 1331 Faraday made the first transformer. The unit of capacitance is named after him. Read More on  Inventions and Contribution of Michael Faraday to Electronics

Karl Friedrich Gauss (1777-1855) Wilhelm Eduard Weber (1804-1891). Gauss is known as one of the greatest mathematicians of all time. The CGS unit of magnetic field density in named after Gauss. Weber, a German physicist, also established a system of absolute electrical units. The MKS unit of flux is named after Weber. Read More on  Inventions and Contribution of Karl Friedrich Gauss and Wilhelm Eduard Weber to Electronics

Joseph Henry (1799-1878) was a professor in a small school in Albany, New York. In 1830 he observed electromagnetic induction, a year before Faraday. The unit of induction is named after him. Read More on  Inventions and Contribution of Joseph Henry to Electronics

1832 Heinrich F.E. Lenz (1804-1865), born in the old university city of Tartu, Estonia (then in Russia), was a professor at the University of St. Petersburg who carried out many experiments following the lead of Faraday. Read More on  Inventions and Contribution of Heinrich F.E. Lenz to Electronics

Samuel Finley Breese Morse (1791 - 1872) brought a practical system of telegraphy to the fore front using electromagnets, and invented the code named after him in 1844. Read More on  Inventions and Contribution of Samuel Finley Breese Morse to Electronics

Gustav Robert Kirchhoff (1824-1887) was a German physicist. He announced the laws which allow calculation of the currents, voltages, and resistance of electrical networks in 1845 when he was only 21. Read More on  Inventions and Contribution of Gustav Robert Kirchhoff to Electronics

James Clerk Maxwell (1831 - 1879) wrote a mathematical treatise formalizing the theory of fields in 1856: On Faraday's Lines of Force. In the year 1873 Maxwell published Electricity and Magnetism, demonstrating four partial differential equations that completely described electrical phenomena. Read More on  Inventions and Contribution of James Clerk Maxwell to Electronics

Hermann Lud-wig Ferdinand von Helmholtz (1821 - 1894) was an all around universal scientist and researcher. Read More on  Inventions and Contribution of Hermann Lud-wig Ferdinand von Helmholtz to Electronics

Sir William Crookes (1832 - 1919) investigated electrical discharges through highly evacuated "Crookes tubes" in the year 1878. Read More on  Inventions and Contribution of Sir William Crookes to Electronics

Joseph Wilson Swan (1828 - 1914) Joseph Swan demonstrated his electric lamp in Britain in February 1879. Read More on  Inventions and Contribution of Joseph Wilson Swan to Electronics

Thomas Alva Edison (1847 - 1931): In 1878, Edison began work on an electric lamp and sought a material that could be electrically heated to incandescence in a vacuum. 1882 Edison installed the first large central power station on Pearl Street in New York City in 1882; its steam-driven generators of 900 horsepower provided enough power for 7,200 lamps. Read More on  Inventions and Contribution of Thomas Alva Edison to Electronics

Oliver Heaviside (1850 - 1925) Worked with Maxwell's equations to reduce the fatigue incurred in solving them. Read More on  Inventions and Contribution of Oliver Heaviside to Electronics

Heinrich Rudolph Hertz (1857 - 1894) was the first person to demonstrate the existence of radio waves. Read More on  Inventions and Contribution of Heinrich Rudolph Hertz to Electronics

Nikola Tesla (1856 - 1943) devised the polyphase alternating-current systems that form the modern electrical power industry. The unit of magnetic field density is named after him. Read More on  Inventions and Contribution of Nikola Tesla to Electronics

Charles Proteus Steinmetz (1865 - 1923) discovered the mathematics of hysteresis loss, thus enabling engineers of the time to reduce magnetic loss in transformers. Read More on  Inventions and Contribution of Charles Proteus Steinmetz to Electronics

Guglielmo Marconi (1874 - 1937) Known as the "father of wireless", was an Italian national who expanded on the experiments that Hertz did, and believed that telegraphic messages could be transmitted without wires. Read More on  Inventions and Contribution of Guglielmo Marconi to Electronics

Wilhelm Conrad Roentgen (1845 - 1923) discovered X rays, for which he received the first Nobel Prize for physics in 1901. Read More on  Inventions and Contribution of Wilhelm Conrad Roentgen to Electronics

Sir Joseph John Thomson (1856 - 1940) is universally recognized as the British scientist who discovered and identified the electron in the year 1897. Read More on  Inventions and Contribution of Sir Joseph John Thomson to Electronics

Albert Einstein (1879 - 1955): In the year 1905, Einstein elaborated on the experimental results of Max Planck who noticed that electromagnetic energy seemed to be emitted from radiating objects in quantities that were discrete. Read More on  Inventions and Contribution of Albert Einstein to Electronics

Sir John Ambrose Fleming (1849 - 1945) made the first diode tube, the Fleming valve in the year 1905. Read More on  Inventions and Contribution of Sir John Ambrose Fleming to Electronics

Lee De Forest (1873 - 1961) added a grid electrode to Flemings' valve and created the triode tube, later improved and called the Audion. Read More on  Inventions and Contribution of Lee De Forest to Electronics

Jack St. Clair Kilby developed the integrated circuit while at Texas instruments. Read More on  Inventions and Contribution of Jack St. Clair Kilby to Electronics

Robert Norton Noyce (1927 - 1990) also developed the integrated circuit with a more practical approach to scaling the size of the circuit. He became a founder of Fairchild Semiconductor Company in 1957. Read More on  Inventions and Contribution of Robert Norton Noyce to Electronics

Seymour Cray (1925 - 1996) Also known as "The Father of the Supercomputer", along with George Amdahl, defined the supercomputer industry in the year 1976. Read More on  Inventions and Contribution of Seymour Cray to Electronics

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