Mark Krein

1907 - 1989

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Mark Grigorievich Krein (Ukrainian: Марко́ Григо́рович Крейн, Russian: Марк Григо́рьевич Крейн; 3 April 1907 – 17 October 1989) was a Soviet mathematician, one of the major figures of the Soviet school of functional analysis. He is known for works in operator theory (in close connection with concrete problems coming from mathematical physics), the problem of moments, classical analysis and representation theory. He was born in Kyiv, leaving home at age 17 to go to Odessa. Read more on Wikipedia

Since 2007, the English Wikipedia page of Mark Krein has received more than 32,015 page views. His biography is available in 16 different languages on Wikipedia. Mark Krein is the 654th most popular mathematician, the 555th most popular biography from Ukraine and the 17th most popular Ukrainian Mathematician.

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Among mathematicians, Mark Krein ranks 654 out of 828Before him are William Kahan, Louis J. Mordell, Vera T. Sós, James Whitbread Lee Glaisher, Henry Thomas Colebrooke, and William Brouncker, 2nd Viscount Brouncker. After him are Jean-Christophe Yoccoz, Leonard Eugene Dickson, Fritz Noether, Vladimir Drinfeld, Michael Artin, and Paul Montel.

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Among people born in 1907, Mark Krein ranks 242Before him are Heikki Savolainen, Leslie Charteris, Raúl Silva Henríquez, John McIntire, Ernst Albrecht, and Sanya Dharmasakti. After him are Clifford Curzon, Rolf Jacobsen, Adalbert Steiner, Martín Marculeta, Alexander Knox, and Crisant Bosch. Among people deceased in 1989, Mark Krein ranks 181Before him are Roberto Figueroa, Luiz Luz, Anders Rydberg, Leen Vente, János Farkas, and Asbjørn Ruud. After him are Frank Foss, King Tubby, George C. Homans, Edgar Sanabria, Oscar Alfredo Gálvez, and M. King Hubbert.

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In Ukraine

Among people born in Ukraine, Mark Krein ranks 555 out of 913Before him are Aleksander Brückner (1856), Zellig Harris (1909), Eduard Mudrik (1939), Ihor Kolomoyskyi (1963), Oleksandr Zavarov (1961), and Markus Reiner (1886). After him are Grigory Shajn (1892), Zbigniew Messner (1929), Pyotr Todorovsky (1925), Leonid Stein (1934), Igor Krutoy (1954), and Margarita Aliger (1915).


Among mathematicians born in Ukraine, Mark Krein ranks 17Before him are Igor Shafarevich (1923), Sergei Natanovich Bernstein (1880), Georgy Voronoy (1868), Pavel Urysohn (1898), Kazimierz Ajdukiewicz (1890), and Joseph Ludwig Raabe (1801). After him are Vladimir Drinfeld (1954), Stanisław Mazur (1905), Nikolai Chebotaryov (1894), Abram Samoilovitch Besicovitch (1891), Mark Kac (1914), and Maryna Viazovska (1984).