ENGINEER

Sergey Chaplygin

1869 - 1942

Photo of Sergey Chaplygin

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Sergey Alexeyevich Chaplygin (Russian: Серге́й Алексе́евич Чаплы́гин; 5 April 1869 – 8 October 1942) was a Russian and Soviet physicist, mathematician, and mechanical engineer. He is known for mathematical formulas such as Chaplygin's equation and for a hypothetical substance in cosmology called Chaplygin gas, named after him. He graduated in 1890 from Moscow University, and later became a professor. Read more on Wikipedia

Since 2007, the English Wikipedia page of Sergey Chaplygin has received more than 36,918 page views. His biography is available in 28 different languages on Wikipedia (up from 25 in 2019). Sergey Chaplygin is the 266th most popular engineer (down from 261st in 2019), the 1,646th most popular biography from Russia (down from 1,611th in 2019) and the 36th most popular Russian Engineer.

Memorability Metrics

  • 37k

    Page Views (PV)

  • 49.01

    Historical Popularity Index (HPI)

  • 28

    Languages Editions (L)

  • 2.42

    Effective Languages (L*)

  • 4.09

    Coefficient of Variation (CV)

Among ENGINEERS

Among engineers, Sergey Chaplygin ranks 266 out of 389. Before him are Gioacchino Colombo, Butler Lampson, Markus Reiner, Eugene Polley, Vladimir Mikhailovich Myasishchev, and Ernest Goüin. After him are Mikhail Simonov, Boris Chertok, Verghese Kurien, Marcel Deprez, Hendrik Wade Bode, and Fulgence Bienvenüe.

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Contemporaries

Among people born in 1869, Sergey Chaplygin ranks 120. Before him are Rihard Jakopič, Bhagwan Das, Friedrich Wilhelm Foerster, Joshua Pim, Phoebus Levene, and Yervant Odian. After him are Harald Sohlberg, Henry Wood, Carlo Airoldi, Levon Shant, Kálmán Kandó, and Robert W. Paul. Among people deceased in 1942, Sergey Chaplygin ranks 183. Before him are Jean Gilbert, José Díaz, Łucja Frey, Ferdinand Albin Pax, Mel Sheppard, and Renia Spiegel. After him are Nevile Henderson, Ludwig Aschoff, Hernando Siles Reyes, Frank Irons, Sakutarō Hagiwara, and Georgios Orphanidis.

Others Born in 1869

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Others Deceased in 1942

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In Russia

Among people born in Russia, Sergey Chaplygin ranks 1,646 out of 3,761. Before him are Vasily Agapkin (1884), Vladimir Mashkov (1963), Igor Larionov (1960), Princess Xenia Georgievna of Russia (1903), Vasily Stasov (1769), and Vladislav Listyev (1956). After him are Giorgi Shengelaia (1937), Jürgen Moser (1928), Natalya Arinbasarova (1946), Lyudmila Shevtsova (1934), Mikhail Artamonov (1898), and Duchess Helene of Mecklenburg-Strelitz (1857).

Others born in Russia

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Among ENGINEERS In Russia

Among engineers born in Russia, Sergey Chaplygin ranks 36. Before him are Semyon Lavochkin (1900), Yuri Artsutanov (1929), Alexander Mikulin (1895), Vladimir Grigoryevich Fyodorov (1874), Alexander Kemurdzhian (1921), and Vladimir Mikhailovich Myasishchev (1902). After him are Mikhail Simonov (1929), Mikhail Tikhonravov (1900), Pavel Solovyov (1917), Marina Popovich (1931), Boris Lisunov (1898), and Vladimir Barmin (1909).

Russian born Engineers

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