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1804-1865. A Russian physicist and electrical technician, author of the "Lenz rule" for determining the direction of induced currents, author of calculations of the dependence of metal resistance on temperature, co-author of the "Joule-Lenz law", which determines the amount of heat in a conductor.

1818-1889. An English physicist, co-author of the Joule-Lenz law, which determines the amount of heat in a conductor when current flows, and the discovery of the Joule-Thomson effect on gas cooling as it flows through a porous partition. This effect is now used in gas liquefaction technology.

1831-1879. An English physicist, mathematician and mechanic, created the theory of the electromagnetic field, which describes the Faraday electromagnetic induction, the magnetoelectric induction, the law of conservation of the quantity of electricity and the vortex nature of the magnetic field.

1856-1943. An American inventor, developed multi-phase generators, electric motors and transformers, multi-phase distribution systems, rotating magnetic field, built high-frequency generators, investigated wireless signal and energy transmission over long distances.

1745-1827. An Italian physicist, chemist and physiologist, one of the authors of the theory of electricity. He placed zinc and copper in acid, creating a chemical current source, the "Volt Pillar". He proved that electrification occurs by contact of various substances, creating a light source "Voltaic arc".

1775-1836. A French physicist and mathematician, according to Maxwell - "Newton of electricity". He established the rule of the direction of the magnetic field, developed the theory of magnetism, proposed electromagnetic processes for signal transmission, discovered the electromagnetic effect of a coil with an electric current.

1736-1806. A French engineer, physicist, researcher of electromagnetic and mechanical phenomena, the author of torsion weights for measuring electromagnetic interaction forces, discovered the law of interaction between charges and magnetic poles, the distribution of charges on the surface of a conductor.

1862-1919. A Russian electrical engineer, one of the creators of three-phase alternating current technology, director of the German company AEG. Inventor of an asynchronous motor with a squirrel cage rotor, a three-phase transformer with rods, a three-phase synchronous generator.

1847-1931. An American inventor and entrepreneur, author of over 1000 inventions in electrical engineering. He perfected the telegraph and telephone, the incandescent lamp, invented the phonograph, built the first public power station, discovered the phenomenon of thermionic emission.

1791-1867. An English physicist, author of the electromagnetic field. He discovered the chemical action of current, the connection between electricity, magnetism and light, electromagnetic induction, the laws of electrolysis. He introduced the concepts of electric and magnetic fields, electromagnetic waves.

1834-1889. A French physicist and electrical engineer invented the first lead-acid battery, and also developed the technology for forming battery plates.

1777-1855. A German mathematician, mechanic, physicist and astronomer, "king of mathematicians". He solved the basic theorem of electrostatics, known as the Gauss theorem. He invented the electric telegraph, laid the foundations of the theory of electromagnetism, discovered the potential of the electric field.

1789-1854. A German physicist, discovered the basic law, the binding current, voltage and resistance of the load. Posted monograph "Theoretical study of electrical circuits," describing the circuit with series and parallel connection of conductors and current sources.

1824-1887. A German physicist, author of works on the distribution of electricity on conductors, on the discharge of capacitors, to determine the resistance of conductors. Kirchhoff rules allow you to find the value of currents in all branches of the electrical circuit and all inter-node voltages.

1857-1894. A German physicist, who confirmed Maxwell’s theory, investigated the reflection, interference, diffraction and polarization of electromagnetic waves, proved that their speed of propagation coincides with the speed of light, and that light is a type of electromagnetic waves.

1847-1894. A Russian electrical engineer, military engineer, inventor. He developed the Yablochkov candle arc lamp, launching the first single-phase AC electric lighting system. He worked on the creation of electric dynamos and galvanic current sources.

1797-1878. An American physicist, the creator of magnets, discovered a new phenomenon — self-induction and, independently of Faraday, discovered mutual induction. His work on electromagnetic relays became the basis for the electric telegraph. The inductance unit is named after him - "Henry".

1847-1923. A Russian electrical engineer, inventor of a tungsten filament lamp. The developer of the "Lodygin electrolyte", a helicopter with a screw drive from an electric motor, the author of electric heating, electric furnaces, respirators with electrolytic oxygen production.

1853-1928. A Dutch physicist, author of classical electron theory, he developed Maxwell’s theory and explained many electrical and optical phenomena. He developed the electro-dynamics of moving media, derived the transformations named after him, developed the theory of light dispersion.

1903-1942. A Russian physicist, researcher of semiconductors, crystal detectors, author of cristadine, receiver with a generating diode. He discovered electroluminescence, the ability of semiconductors to generate light. Oleg Losev died of starvation during the blockade of Leningrad.

1737-1798. An Italian physician, physiologist and physicist, author of electrophysiology and the theory of electricity. He investigated the phenomena of muscle contraction, the so-called. "animal electricity" and created a base for electromedicine. He discovered the potential difference in the contact of metals and electrolyte.

1880-1947. A Russian physicist, author of works on radio astronomy, nonlinear and parametric oscillations and resonances. He developed a method of parametric excitation of electrical oscillations, investigated the propagation of radio waves above the ground, and measured their speed.

1859-1905. A Russian physicist, inventor, electrician, one of the pioneers of the use of electromagnetic waves in radio communications. He developed a coherer for the detection of radio waves and for the first time carried out the transmission of radio signals over a distance of 250 m. The works of Popov were not developed in Russia.

1888-1940. A Russian radio technician, founder of the radio tube industry. He developed broadcasting, radar and long-distance communications at short waves in the upper atmosphere. He is the author of a radio telescope model and a device with two states - a trigger.

1816-1892. A German scientist, inventor, founder of the company Siemens, was engaged in electrical telegraphy, optics, medical equipment. He created a dc generator with self-excitation, an electromotor, an electric railway and tramway, a trackless transport.

1804-1891. A German physicist who worked in the field of magnetism and electricity, he developed an absolute system of electrical measurements and determined the speed of electromagnetic induction. The author of the law of interaction of moving charges, invented the electromagnetic telegraph.

1888-1982. A Russian and American engineer, one of the inventors of television. He developed a vacuum receiving and transmitting tubes, a kinescope and an iconoscope, night-vision devices and a television pick-up bombs, a reading television device for the blind.

1919-2001. Ukrainian cybernetics, she created one of the first programming languages in the world - an address language, the designs of which became part of modern languages. She created a series of instrumental and technological complexes, prototypes of modern computers.