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Pafnuty Chebyschev

Pafnuty Chebyshev
Chebyshev.jpg
Pafnuty Lvovich Chebyshev
Born (1821-05-16)16 May 1821
Akatovo, Kaluga Governorate, Russian Empire
Died 8 December 1894(1894-12-08) (aged 73)
St. Petersburg, Russian Empire
Nationality Russian
Other names Chebysheff, Chebyshov, Tschebyscheff, Tschebycheff
Alma mater Moscow University
Known for Work on probability, statistics, mechanics, analytical geometry and number theory
Awards Demidov Prize (1849)
Scientific career
Fields Mathematician
Institutions St. Petersburg University
Academic advisors Nikolai Brashman
Notable students Dmitry Grave
Aleksandr Korkin
Aleksandr Lyapunov
Andrey Markov
Vladimir Andreevich Markov
Konstantin Posse

Pafnuty Lvovich Chebyshev (Russian: Пафну́тий Льво́вич Чебышёв, IPA: [pɐfˈnutʲɪj ˈlʲvovʲɪtɕ tɕɪbɨˈʂof]) (16 May [O.S. 4 May] 1821 – 8 December [O.S. 26 November] 1894) was a Russian mathematician. His name can be alternatively transliterated as Chebychev, Chebysheff, Chebychov, Chebyshov; or Tchebychev, Tchebycheff (French transcriptions); or Tschebyschev, Tschebyschef, Tschebyscheff (German transcriptions).

One of nine children, Chebyshev was born in the village of Okatovo in the district of Borovsk, province of Kaluga, into a family which traced its roots back to a 17th-century Tatar military leader named Khan Chabysh. His father, Lev Pavlovich, was a Russian nobleman and wealthy landowner. Pafnuty Lvovich was first educated at home by his mother Agrafena Ivanovna (in reading and writing) and by his cousin Avdotya Kvintillianovna Sukhareva (in French and arithmetic). Chebyshev mentioned that his music teacher also played an important role in his education, for she “raised his mind to exactness and analysis.”

Trendelenburg's gait affected Chebyshev's adolescence and development. From childhood, he limped and walked with a stick and so his parents abandoned the idea of his becoming an officer in the family tradition. His disability prevented his playing many children's games and he devoted himself instead to mathematics.

In 1832, the family moved to Moscow, mainly to attend to the education of their eldest sons (Pafnuty and Pavel, who would become lawyers). Education continued at home and his parents engaged teachers of excellent reputation, including (for mathematics and physics) P.N. Pogorelski, held to be one of the best teachers in Moscow and who had taught (for example) the writer Ivan Sergeevich Turgenev.


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