All articles starting with O
9,097 articles
Oleg D. Sherby
Oleg D. Sherby (1925–2015) was an American materials scientist at Stanford University whose work linked high-temperature creep to self-diffusion, opened the study of superplasticity, and created ultrahigh carbon steels.
Oleg Deripaska (Олег Владимирович Дерипаска)
Oleg Deripaska (Олег Дерипаска) is a Russian aluminum and energy magnate who built UC Rusal and was once Russia's richest person, worth $28 billion in 2008.
Oleg Domichek
Oleg Domichek (Олег Евгеньевич Домичек), Russian biathlete born 2002 in Biysk, Altai Krai; 2020 Lausanne Winter Youth Olympic champion in the boys' 12.5 km individual and mixed relay silver medalist, later a Russian championship medalist.
Oleg Fedoseyev
Oleg Fedoseyev (Олег Георгиевич Федосеев), Soviet long jumper and triple jumper, born 1936 Moscow, died 2001; 1964 Olympic triple jump silver, 1959 triple jump world record 16.70 m, 1962 European bronze.
Oleg Gang
Oleg Gang is a soft matter and nanomaterials researcher known for DNA-guided assembly of nanoparticles into designed 3D crystals, leading a Brookhaven group and teaching at Columbia since 2016.
Oleg Golovanov
Oleg Sergeyevich Golovanov (Олег Сергеевич Голованов), Soviet rower (1934–2019), 1960 Rome Olympic gold medalist in coxless pairs with Valentin Boreyko; later Soviet and Spanish national rowing coach.
Oleg Gordievsky (Олег Антонович Гордиевский)
Oleg Gordievsky (Олег Антонович Гордиевский), KGB colonel and MI6 double agent codenamed SUNBEAM, rezident in London 1985; exposed Operation RYAN, fled in a car trunk to Finland, died 2025.
Oleg Grebnev
Oleg Grebnev (Олег Геннадьевич Гребнев, born 1968, Volgograd) is a retired Russian handball player, Olympic gold medalist with the Unified Team at Barcelona 1992, fifth at Atlanta 1996, and two-time world champion (1993, 1997).
Oleg Grigoryev
Oleg Grigoryev (Олег Георгиевич Григорьев, born 25 December 1937, Moscow) is a Soviet bantamweight boxer, 1960 Rome Olympic champion, three-time European champion (1957, 1963, 1965), and six-time USSR champion; not the runner or swimmer of the same name.
Oleg Itskhoki
Oleg Itskhoki, born 1983 in Moscow, is a Russian-born American economist who is the Slusky Family Professor at Harvard and won the 2022 John Bates Clark Medal.
Oleg Ivanovich of Ryazan
Oleg Ivanovich of Ryazan (Олег Иванович Рязанский) was grand prince of Ryazan from about 1350 until 1402, maneuvering between Moscow, the Golden Horde, and Lithuania.
Oleg Kalugin (Олег Данилович Калугин)
Oleg Danilovich Kalugin (Олег Данилович Калугин), born 1934, former KGB major general, head of external counterintelligence 1973-1980, denounced the KGB in 1990, moved to the US in 1995, convicted of treason in absentia in 2002.
Oleg Karavayev
Oleg Karavayev (Олег Николаевич Караваев, 1936–1978), Soviet Greco-Roman wrestler from Minsk; Olympic bantamweight (≤57 kg) gold at Rome 1960 and World Champion 1958 and 1961, six-time Soviet titlist.
Oleg Khodkov
Oleg Khodkov (Олег Викторович Ходьков), born 1974 in Krasnodar, Russian handball left back; Olympic gold at Sydney 2000 with Russia, scoring in the 28:26 final over Sweden; later SKIF and CSKA head coach.
Oleg Kiselyov
Oleg Kiselyov (Олег Викторович Киселёв, born 1967, Yaroslavl) is a Russian handball player, Dynamo Astrakhan center, who won 1992 Olympic gold with the Unified Team and placed fifth at Atlanta 1996.
Oleg Komogortsev
Oleg Komogortsev is a computer scientist at Texas State University in San Marcos who studies eye-movement biometrics, received a PECASE award, and leads the OK Lab.
Oleg Kutscherenko
Oleg Kutscherenko (Oleh Kucherenko, Олег Кучеренко), Ukrainian-born Greco-Roman light-flyweight wrestler, 1992 Barcelona Olympic champion for the Unified Team, 1989-90 world champion, later German citizen and eight-time German national champion.
Oleg Lavrentiev
Oleg Lavrentiev (Олег Лаврентьєв) was a Soviet and Ukrainian physicist whose 1950 letter from Sakhalin proposed a hydrogen bomb design and inspired Sakharov's fusion work, leading to the tokamak.
Oleg Lavrentovich
Oleg D. Lavrentovich, born 1958, is a Ukrainian-born soft-matter physicist at Kent State University known for work on topological defects, nonlinear electrophoresis, and ferroelectric nematics.
Oleg Lisogor
Oleg Lisogor (Олег Лісогор), Ukrainian breaststroke swimmer born 1979 in Brovary; two-time world 50m breaststroke champion (2001, 2007), former long course world record holder 27.18 and short course record 26.17, three-time Olympian.
Oleg Logvin
Oleg Logvin (Олег Николаевич Логвин), Belarusian road cyclist born 1959, won 1980 Olympic gold in the 100 km team time trial for the Soviet Union, then rode professionally 1989-1992 for Alfa Lum, Lada-Ghzel, and Portuguese teams.
Oleg Losev
Oleg Vladimirovich Losev (1903–1942) was a self-taught Russian radio engineer who made the first detailed study of electroluminescence in crystal diodes and invented the crystadyne amplifier.
Oleg Moliboga
Oleg Moliboga (Олег Алексеевич Молибога) was a Soviet volleyball player, born in Ukraine in 1953, who won Olympic gold at Moscow 1980 and silver at Montreal 1976.
Oleg Nikolayev (Chuvash politician)
Oleg Nikolayev is a Russian politician serving as Head of the Chuvash Republic since 2020; he was reelected in September 2025 after presenting the republic's performance to President Putin.
Oleg of Novgorod
Oleg of Novgorod (Олег Вещий) was a Varangian prince who ruled Novgorod from 879 and Kiev from 882, often regarded as the founder of the Old Russian state.
Oleg Penkovsky (Олег Владимирович Пеньковский)
Oleg Vladimirovich Penkovsky, GRU colonel who volunteered to the CIA and British intelligence in 1960, supplied Soviet missile intelligence until his KGB arrest on 22 October 1962, trial in May 1963, and execution on 16 May 1963.
Oleg Perepechonov
Oleg Perepechonov (Олег Александрович Перепечёнов, born 1975) is a Russian 77 kg weightlifter, 2001 world record holder (210 kg clean & jerk, 375 kg total), whose 2004 Olympic bronze was stripped for clenbuterol.
Oleg Ryakhovskiy
Oleg Ryakhovskiy (Олег Ряховский), born 19 October 1933 in Tashkent, Soviet triple jumper who set a 16.59 m world record on 28 July 1958 in Moscow and won 1958 European silver.
Oleg Saitov
Oleg Saitov (Олег Элекпаевич Саитов), Russian amateur welterweight boxer born 1974; two-time Olympic champion (Atlanta 1996, Sydney 2000), Athens 2004 bronze, Val Barker Trophy 2000, world champion 1997; never turned professional.
Oleg Taktarov (Олег Николаевич Тактаров)
Oleg Taktarov (Олег Николаевич Тактаров), "The Russian Bear", born 1967 in Sarov, Russian sambo-judo fighter, UFC 6 tournament champion and first Russian UFC champion, later a Hollywood actor.