Who was born first, Nikolai Chebotaryov or  Leonid Khachiyan?
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Nikolai Chebotaryov Nikolai Grigorievich Chebotaryov (often spelled Chebotarov or Chebotarev, Russian: Никола́й Григо́рьевич Чеботарёв , Ukrainian: Микола Григорович Чоботарьов ) (15 June [O.S. 3 June] 1894 – 2 July 1947) was a noted Ukrainian and Soviet mathematician. He is best known for the Chebotaryov density theorem.
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Leonid Khachiyan Leonid Genrikhovich Khachiyan (Armenian: Լեոնիդ Գենրիխովիչ Խաչիյան ; Russian: Леонид Генрихович Хачиян ; May 3, 1952 – April 29, 2005) was a Soviet mathematician of Armenian descent who taught Computer Science at Rutgers University. He was most famous for his ellipsoid algorithm (1979) for linear programming, which was the first such algorithm known to have a polynomial running time. Even though this algorithm was shown to be impractical due to the high degree of the polynomial in its running time, it has inspired other randomized algorithms for convex programming and is considered a significant theoretical breakthrough.
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Nikolai Chernykh Nikolai Stepanovich Chernykh (Russian: Николай Степанович Черных ) (6 October 1931 – 26 May 2004) was a Russian-born Soviet astronomer and discoverer of minor planets and comets at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula.
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Leonid Kvasnikov Leonid Romanovich Kvasnikov (2 June 1905 – 15 October 1993) was a Russian chemical engineer and a spy, serving first in NKVD and later served in KGB. Graduated with honors from the Moscow Institute of Chemical Machine-Building in 1934 and worked as an engineer in a chemical plant for several years in the Tula region. Kvasnikov continued postgraduate engineering studies and joined the KGB in 1938 as a specialist in scientific-technical intelligence. Beginning in 1939 he was the section head of scientific and technical intelligence. Kvasnikov served a few short-term assignments in Germany and Poland and rising swiftly to become deputy chief and then chief of the KGB scientific intelligence section.
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Leonid Leonidov Leonid Mironovich Leonidov (Russian: Леонид Миронович Леонидов , 3 June [O.S. 22 May] 1873 – 6 August 1941) was a Russian actor and stage director.
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Mikhail Tukhachevsky Mikhail Nikolayevich Tukhachevsky (Russian: Михаи́л Никола́евич Тухаче́вский ; February 16 [O.S. February 4] 1893  – June 12, 1937) was a leading Soviet military leader and theoretician from 1918 to 1937. He commanded the Soviet Western Front in the Soviet-Polish War of 1920–1921 and served as chief of staff of the Red Army from 1925 through 1928, as assistant in the People's Commissariat of Defense after 1934 and as commander of the Volga Military District in 1937. He contributed to the modernization of Soviet armament and army force structure in the 1920s and 1930s and became instrumental in the development of aviation, mechanized, and airborne forces. As a theoretician, he was a driving force behind Soviet development of the theory of deep operations. The Soviet authorities accused him of treason and had him shot during the military purges of 1937–1938, but rehabilitated his reputation in the 1960s.
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Artem Chebotarev Artem Nikolayevich Chebotarev (Russian: Артём Николаевич Чеботарёв ; born 26 October 1988 in Stepnoye, Saratov Oblast, Russian SFSR) is a Russian amateur boxer who competes in the -75 kg weight division. He won a bronze medal at the 2013 AIBA World Boxing Championships.
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Mikhail Chekhov (writer) Mikhail Pavlovich Chekhov (Russian: Михаил Павлович Чехов; (6 October 1865, Taganrog - 14 November 1936, Yalta) was a Russian writer and theater critic; the youngest brother and biographer of Anton Chekhov.
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Demyan Korotchenko Demian Serhiyovych Korotchenko (Ukrainian: Дем’ян Сергійович Коротченко ; 29 November 1894 – 7 April 1969) was a Ukrainian and Soviet politician, who twice served as the head of government of Ukrainian SSR (today's equivalent of prime-minister).
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Leonid Kurchevsky Leonid Vasilyevich Kurchevsky (Russian: Леонид Васильевич Курчевский ) (September 22, 1890, Pereslavl-Zalessky – November 26, 1937 (January 12, 1939?)) was a Russian/Soviet weapons designer.
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Dmitry Kharatyan Dmitry Kharatyan PAR (born Dmitry Vadimovich Kharatyan (Russian: Дми́трий Вади́мович Харатья́н ) 21 January 1960) is a Russian actor of Armenian descent.
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Nikolai Lukyanchikov Nikolai Lukyanchikov (born May 23, 1989) is a Russian professional ice hockey defenceman who currently plays for HC Spartak Moscow of the Kontinental Hockey League (KHL).
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Aram Khachaturian Aram Il'yich Khachaturian ( ; Russian: Ара́м Ильи́ч Хачатуря́н ; Armenian: Արամ Խաչատրյան , "Aram Xačatryan"; ] ; 6 June [O.S. 24 May] 1903 1 May 1978) was a Soviet Armenian composer and conductor. He is considered one of the leading Soviet composers.
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Konstantin Mikhailovsky Konstantin Yakovlevich Mikhailovsky (Russian: Константин Яковлевич Михайловский ) (1834–1909) was a Russian engineer of Polish origin.
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Klavdy Lebedev Klavdy Vasiliyevich Lebedev (Russian: Клавдий Васильевич Лебедев ) (October 16 (28), 1852 – September 21 (N.S. October 4), 1916) was a Russian painter, a member of The Wanderers group.
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Nikolai Blagoveshchensky Nikolai Alexandrovich Blagoveshchensky (Russian: Никола́й Алекса́ндрович Благове́щенский ), (April 19, 1837, Moscow – July 20, 1889, Vladikavkaz), was a Russian writer, journalist and ethnographer.
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Alexander Nesmeyanov Alexander Nikolaevich Nesmeyanov {'1': ", '2': ", '3': 'ForMemRS', '4': "} (Russian: Александр Николаевич Несмеянов ; 9 September [O.S. 28 August] 1899 , Moscow – 17 January 1980, Moscow) was a prominent Soviet chemist and academician (1943) specializing in organometallic chemistry. He obtained his degree in chemistry in 1920 from Moscow State University where he thereafter served as lecturer, professor, and eventually rector.
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Nikolai Brashman Nikolai Dmitrievich Brashman (Russian: Николáй Дми́триевич Брáшман ; German: "Nikolaus Braschmann" ; June 14, 1796 – 25 May [O.S. 13 May] 1866 ) was a Russian mathematician of Austrian origin. He was a student of Joseph Johann Littrow, and the advisor of Pafnuty Chebyshev and August Davidov.
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Samuel Khachikian Samuel Khachikian (Armenian: Սամուէլ Խաչիկեան ] ; Persian: ساموئل خاچیکیان‎ ‎ ;October 21, 1923, Tabriz Iran, – 22 October 2001, Tehran) was an Iranian film director, screenwriter, author, and film editor of Armenian descent. He was one of the most influential figures in Iran's movie industry and was nicknamed "Iran's Hitchcock".
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Nikolay Dollezhal Nikolay Antonovich Dollezhal (Russian: Николай Антонович Доллежа́ль ; 27 October [O.S. 15 October] 1899 – 20 November 2000) was a Soviet mechanical engineer, a key figure in Soviet atomic bomb project and chief designer of nuclear reactors from the first plutonium production reactor to the RBMK.
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Vitaly Chekhover Vitaly Alexandrovich Chekhover (also spelled Tschechower or Czechower, pronounced "chekh a VYAIR") (Russian: Вита́лий Алекса́ндрович Чехове́р ) (December 22, 1908 – February 11, 1965) was a Soviet chess player and chess composer. He was also a pianist.
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Alexander Chayanov Alexander V. Chayanov (Russian: Александр Васильевич Чаянов ) (1888 – October 3, 1937) was a Soviet agrarian economist, and scholar of rural sociology and advocate of agrarianism and cooperatives.