MATHEMATICIAN

Alexander Friedmann

1888 - 1925

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Alexander Alexandrovich Friedmann (also spelled Friedman or Fridman; ; Russian: Алекса́ндр Алекса́ндрович Фри́дман; June 16 [O.S. June 4] 1888 – September 16, 1925) was a Russian and Soviet physicist and mathematician. He originated the pioneering theory that the universe is expanding, governed by a set of equations he developed known as the Friedmann equations. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Alexander Friedmann is the 116th most popular mathematician (down from 86th in 2019), the 211th most popular biography from Russia (down from 160th in 2019) and the 9th most popular Russian Mathematician.

Alexandr Friedmann is most famous for his idea of an expanding universe.

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Among MATHEMATICIANS

Among mathematicians, Alexander Friedmann ranks 116 out of 1,004. Before him are Alexis Clairaut, Grigori Perelman, Ctesibius, Pierre Louis Maupertuis, George Green, and Leonid Kantorovich. After him are William Oughtred, Gabriel Cramer, Christopher Clavius, Madhava of Sangamagrama, Isaac Barrow, and G. H. Hardy.

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Contemporaries

Among people born in 1888, Alexander Friedmann ranks 34. Before him are Johannes Itten, Friedrich Olbricht, Andrei Tupolev, Gerrit Rietveld, Maurice Chevalier, and Anton Makarenko. After him are Herbert Spencer Gasser, Richard E. Byrd, Sarvepalli Radhakrishnan, Carin Göring, Georges Bernanos, and Ossip Zadkine. Among people deceased in 1925, Alexander Friedmann ranks 21. Before him are Josef Breuer, Duchess Mathilde Ludovika in Bavaria, Mikhail Frunze, Camille Flammarion, Felix Klein, and Léon Bourgeois. After him are Hjalmar Branting, Vajiravudh, Félix Vallotton, George Curzon, 1st Marquess Curzon of Kedleston, Aleksey Kuropatkin, and Wong Fei-hung.

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In Russia

Among people born in Russia, Alexander Friedmann ranks 211 out of 3,761. Before him are Alexei Leonov (1934), Vladimir Propp (1895), Alexej von Jawlensky (1864), Mikhail Suslov (1902), Leonid Kantorovich (1912), and Aleksandr Ulyanov (1866). After him are Sabina Spielrein (1885), Ivan Kramskoi (1837), Grand Duchess Maria Alexandrovna of Russia (1853), Nikolai Vavilov (1887), Sergey Prokudin-Gorsky (1863), and Nikolay Przhevalsky (1839).

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Among MATHEMATICIANS In Russia

Among mathematicians born in Russia, Alexander Friedmann ranks 9. Before him are Sofia Kovalevskaya (1850), Nikolai Lobachevsky (1792), Andrey Kolmogorov (1903), Christian Goldbach (1690), Grigori Perelman (1966), and Leonid Kantorovich (1912). After him are Andrey Markov (1856), Aleksandr Lyapunov (1857), Mikhail Leonidovich Gromov (1943), Olga Ladyzhenskaya (1922), Nikolay Bogolyubov (1909), and Yakov Sinai (1935).

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