Pyotr Lebedev, Date of Birth, Place of Birth, Date of Death
TweetPyotr Lebedev
Russian Physicist
Date of Birth: 24-Feb-1866
Place of Birth: Moscow, Russia
Date of Death: 01-Mar-1912
Profession: physicist, university teacher
Zodiac Sign: Pisces 
About Pyotr Lebedev
- Pyotr Nikolaevich Lebedev (Russian: ???? ??????´???? ??´?????) was a Russian physicist.
- His name was also transliterated as Peter Lebedew and Peter Lebedev.
- Lebedev was a creator of first scientific school in Russia. He made his doctoral degree in Strasbourg under the supervision of August Kundt in 1887–1891.
- In 1891 he started working in Moscow State University in the group of Alexander Stoletov.
- There he made his famous experimental studies of electromagnetic waves.
- Along with Indian physicist Jagadish Chandra Bose he was one of the first to investigate millimeter waves, generating 50 GHz (6 mm) microwaves beginning in 1895 with a spark oscillator made of two platinum cylinders 1.5 cm long and 0.5 diameter immersed in kerosene at the focus of a parabolic reflector, and detecting the waves with an iron-constantin thermocouple detector.
- With this apparatus he extended the work of Heinrich Hertz to higher frequencies, duplicating classical optics experiments using quasioptical components such as lenses, prisms and quarter-wave plates made of sulfur and wire diffraction gratings to demonstrate refraction, diffraction, double refraction, birefringence and polarization of millimeter waves.
- He was the first to measure the pressure of light on a solid body in 1899.
- The discovery was announced at the World Physics Congress in Paris in 1900, and became the first quantitative confirmation of Maxwell's theory of electromagnetism.
- In 1901 he became a professor of Moscow State University, however he quit the University in 1911, protesting against the politics of the Ministry of Education.
- In the same year he received an invitation to become a professor in Stockholm, which he rejected.
- He died the next year. The Lebedev Physical Institute in Moscow and the lunar crater Lebedev are named after him.
Read more at Wikipedia
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