All articles starting with O
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Osian temples
The Osian temples are a group of Hindu and Jain temples at Osian, near Jodhpur in Rajasthan, built between the 8th and 12th centuries and called the Khajuraho of Rajasthan.
Osias Stutman
Osias Stutman was an immunologist who studied the thymus, T-cell development, and chemical carcinogenesis, first at Minnesota and later at Memorial Sloan Kettering; his 1974 nude-mouse experiments challenged the cancer immunosurveillance hypothesis.
Osibisa
Osibisa: British Afro-rock band formed in London in 1969 by Ghanaian saxophonist Teddy Osei with Mac Tontoh, Sol Amarfio, Nigerian and Caribbean members; hits "Sunshine Day" and "Music for Gong Gong"; pioneered world music.
Osiel Cárdenas Guillén
Osiel Cárdenas Guillén (born 1967, Tamaulipas), Gulf Cartel boss of Matamoros and founder of the Zetas; captured 2003, extradited 2007, sentenced to 25 US years in 2010, released and deported to Mexico in December 2024.
Osijek
Osijek (German Essegg, Hungarian Eszék) is Croatia's fourth-largest city, on the Drava River in eastern Slavonia; Roman Mursa, baroque Tvrđa, seat of Osijek-Baranja County, 75,535 residents (2021), noted for a high quality-of-life to cost-of-living ratio.
Osilodrostat
Osilodrostat (Isturisa, LCI699) is an oral cortisol synthesis inhibitor blocking CYP11B1 (and CYP11B2), FDA-approved in 2020 and expanded in 2025 for endogenous hypercortisolemia in adult Cushing's syndrome; dosing starts at 2 mg twice daily up to 30 mg twice daily.
Osimertinib
Osimertinib (Tagrisso) is a third-generation irreversible EGFR-TKI for EGFR-mutated NSCLC, binding Cys797, targeting T790M, penetrating the blood-brain barrier, with approvals in first-line, adjuvant, and combination settings.
Osimertinib regimen
The osimertinib regimen is an oral treatment plan for EGFR-mutated non-small cell lung cancer, built around osimertinib (Tagrisso), a third-generation EGFR inhibitor taken as an 80 mg tablet once daily.
Osinovo Formation
The Osinovo Formation is a Paleogene quartz-sand and sandstone unit in the Cis-Donets zone of the southern Russian Plate and Luhansk region, eastern Ukraine, best known from the Ikovo stratotype.
Osip Mandelstam
Osip Mandelstam (Осип Мандельштам) was a major Russian poet of the twentieth century who co-founded Acmeism; his 1933 epigram against Stalin led to his arrest and death in custody in 1938.
Osip Shor
Osip Shor (Осип Беньяминович Шор), born in 1899 in Nikopol and raised in Odessa, was an adventurer, supply officer, and criminal-investigation inspector remembered chiefly as one of the prototypes of Ostap Bender.
Osireion
The Osireion, or Osirion, is a subterranean cenotaph of Egyptian king Seti I at Abydos, built around 1290 BC as the symbolic tomb of the god Osiris.
Osiris
Osiris (Egyptian wsir, Usir), ancient Egyptian god of the underworld and judge of the dead, murdered and dismembered by Seth, resurrected by Isis as the first mummy; cult center Abydos, atef crown, crook, and flail.
Osiris (film)
Osiris (2025) is an American sci-fi action-horror film directed by William Kaufman, starring Max Martini, Brianna Hildebrand, and Linda Hamilton, about Special Forces commandos abducted by an alien spacecraft and hunted aboard it; released July 25, 2025, 50% on Rotten Tomatoes.
Osiris myth
Osiris myth: ancient Egyptian story of Osiris murdered by Seth, revived by Isis, avenged by Horus. Earliest in the Pyramid Texts (24th century BCE); only connected retelling is Plutarch's De Iside et Osiride; cult center Abydos.
OSIRIS-APEX
OSIRIS-APEX is a NASA asteroid mission using the former OSIRIS-REx spacecraft to study changes to Apophis caused by its close Earth approach in April 2029.
OSIRIS-REx
OSIRIS-REx, also called the Osiris mission, was a NASA New Frontiers spacecraft that collected rocks from asteroid Bennu and returned them to Earth in 2023.
Osisko Development Corp.
Osisko Development Corp., formerly Ringbolt Ventures Ltd., is a Canadian gold development company incorporated in 2006, holding the Cariboo Gold Project in British Columbia and the Tintic Project in Utah.
Osisko Exploration Ltee
Osisko Exploration Ltee is a Quebec mineral exploration entity started by Osisko founder Robert Wares in 1998; the group's Osisko Mining Corporation built the Canadian Malartic gold mine.
Osita Iheme
Osita Iheme, known as Pawpaw, is a Nigerian Nollywood actor born 1982 in Mbaitoli, Imo State, famous for Aki na Ukwa (2002) with Chinedu Ikedieze, AMAA Lifetime Achievement 2007, MFR 2011, and global meme fame.
Oskar (gene)
oskar (osk) is a Drosophila maternal-effect gene, necessary and sufficient for germ plasm assembly; its mRNA localizes to the oocyte posterior via kinesin, directs nanos localization, and encodes Long and Short Oskar isoforms.
Oskar Backlund
Oskar Backlund, known in Russia as Oskar Andreevich Baklund, was a Swedish-born astronomer who directed the Pulkovo Observatory from 1895 to 1916 and studied Encke's comet.
Oskar Bernhard
Oskar Bernhard (1861–1939) was a Swiss surgeon and general physician in the Engadin valley, regarded as the first modern heliotherapist for treating wounds and tuberculosis with sunlight from 1902.
Oskar Bolza
Oskar Bolza (1857–1942) was a German mathematician known for the problem of Bolza in the calculus of variations, who taught at the University of Chicago from 1892 to 1910.
Oskar Braaten
Oskar Braaten (full name Oskar Alexander Braaten, 1881–1939) was a Norwegian novelist, dramatist, and magazine editor who depicted factory life on the east side of Kristiania, now Oslo.
Oskar Deecke
Oskar Deecke (born 1986, Hamburg) is a German field hockey forward, 213 caps, who won Olympic gold at London 2012 and bronze at Rio 2016, plus indoor world titles in 2007 and 2011.
Oskar Dirlewanger
Oskar Dirlewanger (1895-1945) was a German SS-Oberführer who commanded the SS-Sonderkommando Dirlewanger, a penal unit of convicted poachers and criminals that massacred civilians in Belarus and Warsaw's Wola district in 1944. He died in French custody at Altshausen in June 1945.
Oskar Eriksson
Oskar Eriksson (Oskar Ingemar Eriksson, born 1991, Karlstad) is a Swedish curler of Team Edin and Karlstad CK; five Olympics 2010–2026, 2022 men's gold plus mixed doubles bronze, most Olympic curling medals, now skip of Team Eriksson targeting 2030.
Oskar Fischinger
Oskar Fischinger (June 22, 1900 – January 31, 1967), German-American abstract animator and painter, pioneer of visual music and Motion Painting No. 1 (1947), Lumigraph inventor, Fantasia contributor.
Oskar Gröning
Oskar Gröning, the Bookkeeper of Auschwitz (Buchhalter von Auschwitz), an SS-Unterscharführer at Auschwitz-Birkenau 1942–44, convicted in 2015 of accessory to murder in 300,000 cases and sentenced to four years, confirmed by the BGH in 2016; he died 9 March 2018 at 96 without serving the sentence.