All articles starting with O
9,097 articles
O-T Fagbenle
O-T Fagbenle (Olatunde Olateju Olaolorun Fagbenle), born 1981, is a British actor, writer, and director known for Luke in The Handmaid's Tale (2021 Emmy nomination), Maxxx, Black Widow, and The First Lady as Barack Obama.
O-Toluidine
O-Toluidine (ortho-toluidine, 2-methylaniline) is a light-yellow aromatic amine used to make rubber chemicals, herbicide intermediates, and dyes, classified as a known human carcinogen causing bladder cancer.
O-Town
O-Town is an American boy band formed in 2000 on ABC's Making the Band with Lou Pearlman, signed by Clive Davis to J Records, known for "Liquid Dreams" and "All or Nothing", broken up 2003, reunited 2013.
O-type main-sequence star
An O-type main-sequence star, also called a type O V star, is the hottest and most massive hydrogen-fusing star, with a blue surface above 30,000 K.
O-type star
An O-type star, or O star, is the hottest class of star in the spectral sequence, a rare, blue, extremely luminous star living only a few million years.
O-Zone
O-Zone, a Moldovan Eurodance trio formed in 1999 in Chișinău by Dan Bălan, disbanded in 2005. Known for "Dragostea din Tei" (the Numa Numa song), number 1 in 32 countries and over 12 million copies sold.
O–O bond formation in oxygen evolution
O–O bond formation in oxygen evolution is the step in water splitting where two oxygen atoms join into the O–O bond of O₂, typically the rate-determining step.
O! World
O! World (대전오월드) is a theme park in Daejeon, South Korea, combining a zoo, botanical gardens, an amusement park, and a bird park, opened in 2009.
O. Anatole von Lilienfeld
O. Anatole von Lilienfeld, also known as Anatole von Lilienfeld, is a computational chemist at the University of Toronto known for machine learning models of molecular properties.
O. Carter Snead
O. Carter Snead is a Canadian pediatric neurologist who led neurology at the Hospital for Sick Children in Toronto and created the GHB rat model of absence epilepsy.
O. Chandu Menon
O. Chandu Menon (ഒ. ചന്തു മേനോൻ; 1847–1899) was a Malayalam novelist and judge in Malabar, best known for Indulekha (1889), the work that marks the birth of the Malayalam novel.
O. Henry
O. Henry, pen name of William Sydney Porter (1862–1910), American short story writer of some 300 stories with surprise endings, including "The Gift of the Magi"; ex-convict for embezzlement, New York-set fiction, O. Henry Award namesake.
O. Henry Award
The O. Henry Award is an annual American prize for short fiction, the oldest major one in the United States, awarded since 1919 and named for writer O. Henry.
O. J. Howard
O. J. Howard (O'Terrius Jabari Howard) is an American former professional football tight end who played for Tampa Bay and Houston and now coaches at West Alabama.
O. J. Janeesh
O. J. Janeesh is an Indian National Congress politician, MLA for Kodungallur since the 2026 Kerala election (65,162 votes, margin 8,308) and Minister for Sports, Youth Affairs, Zoo, Museum, Registration, Archaeology, and Archives in the V D Satheesan cabinet from 18 May 2026.
O. J. Mayo
O.J. Mayo (Ovinton J'Anthony Mayo, born 1987), American guard, third pick of the 2008 NBA draft; played for Memphis, Dallas, and Milwaukee, dismissed from the NBA in 2016 for an anti-drug program violation, later played in China.
O. J. Simpson
O.J. Simpson (Orenthal James Simpson, "The Juice"), 1947–2024, NFL running back, first to rush 2,000 yards in a season (2,003 in 1973), 1968 Heisman winner; acquitted in 1995 of killing Nicole Brown Simpson and Ron Goldman, later found liable in civil court.
O. J. Simpson robbery case
The O. J. Simpson robbery case: the 2007 Las Vegas Palace Station hotel room gunpoint confrontation with memorabilia dealers Beardsley and Fromong, Simpson's 2008 conviction on 12 counts, 9-to-33-year sentence, and 2017 parole.
O. N. V. Kurup (ഒ. എൻ. വി. കുറുപ്പ്)
O. N. V. Kurup (ഒ. എൻ. വി. കുറുപ്പ്), also O.N.V., 1931–2016, Malayalam poet and film lyricist from Chavara, Kollam; Jnanpith Award 2007, Padma Vibhushan 2011, National Film Award for Vaishali.
O. P. Choudhary (ओम प्रकाश चौधरी)
O. P. Choudhary (ओम प्रकाश चौधरी), born 1981, former 2005-batch IAS officer and Raipur Collector, BJP politician, MLA from Raigarh since 2023, and Finance Minister of Chhattisgarh presenting the state budgets from 2024-25 onward.
O. P. Nayyar (ओमकार प्रसाद नैय्यर)
O. P. Nayyar (ओमकार प्रसाद नैय्यर), the "rhythm king" of Hindi film music, 1926-2007; Lahore-born, self-taught composer of Naya Daur, Aar Paar, Kashmir Ki Kali; Filmfare 1958; never worked with Lata Mangeshkar.
O. Panneerselvam
O. Panneerselvam, known as OPS, is an Indian politician from Tamil Nadu who served three times as Chief Minister and later as Deputy Chief Minister under Palaniswami.
O. R. Tambo International Airport
O. R. Tambo International Airport, opened in 1952 as Jan Smuts Airport, serves Johannesburg from Kempton Park, Gauteng, and is Africa's busiest airport, handling over 21 million passengers a year.
O. Ross McIntyre
O. Ross McIntyre (O. R. McIntyre) is an American hematologist-oncologist and Emeritus Professor of Medicine at Dartmouth, director of Norris Cotton Cancer Center from 1975 to 1992.
O. V. Vijayan
O. V. Vijayan, born Oottupulackal Velukkutty Vijayan, was an Indian Malayalam novelist and political cartoonist (1930–2005) whose debut novel Khasakkinte Ithihasam (1969) is treated as a dividing line in Malayalam fiction.
O.A.R.
O.A.R. (Of a Revolution), American rock band formed 1996 in Rockville, Maryland; rock-reggae college jam act behind "That Was a Crazy Game of Poker" and "Shattered," ten studio albums, and the 2026 Three Decades Tour.
O.D. McKee
O.D. McKee, full name Oather Dorris McKee, was an American snack-food entrepreneur who founded McKee Foods in Chattanooga in 1934 and created the Little Debbie brand in 1960.
O.F. Mossberg & Sons
O.F. Mossberg & Sons is an American firearms manufacturer founded by Oscar F. Mossberg and his sons in 1919, best known for the Model 500 pump-action shotgun.
O.F.T.B.
O.F.T.B. (Operation from the Bottom) was a Watts, Los Angeles gangsta rap group (1990-2013) of Flipside, Bust Stop, and Low M.B., known for Straight Up Watts (1992) and Death Row soundtrack appearances.
O.G. Anunoby
O.G. Anunoby (born 1997, London) is a British NBA forward-guard for the New York Knicks, drafted 23rd in 2017 by Toronto; two-time champion (2019, 2026), NBA steals leader 2022-23, elite versatile wing defender.