All articles starting with S
44,216 articles
Sylvamo
Sylvamo Corporation is an American uncoated freesheet paper producer spun off from International Paper in 2021, with seven mills on three continents and brands including Hammermill and Chamex.
Sylvan Esso
Sylvan Esso, electropop duo of Amelia Meath (Mountain Man) and Nick Sanborn (Megafaun), formed 2013 in Durham, NC; albums Sylvan Esso (2014) through Ow ∞ (2026), two Grammy nominations, Psychic Hotline label.
Sylvanian Families
Sylvanian Families (シルバニアファミリー), sold as Calico Critters in North America, is Epoch's 1985 Japanese line of flocked animal-family figures and playsets; over 150 million figures sold by 2016.
Sylvanus Charles Thorp Hanley
Sylvanus Charles Thorp Hanley (1819–1899) was a British conchologist and shell illustrator who described hundreds of mollusc species and produced heavily illustrated shell books, co-authoring a four-volume history of British molluscs with Edward Forbes.
Sylvanus Olympio
Sylvanus Epiphanio Kwami Olympio (1902-1963), first president of Togo, LSE-trained economist and former United Africa Company manager, led Togo to independence in 1960 and was assassinated on 13 January 1963 in West Africa's first military coup.
Sylver vertical launching system
The Sylver vertical launching system (SYstème de Lancement VERtical) is a ship-borne missile launcher built by Naval Group that fires Aster surface-to-air and MdCN cruise missiles.
Sylvera
Sylvera is a London-based carbon data and ratings company, founded in 2020 by Allister Furey and Samuel Gill, that independently assesses the quality of voluntary carbon credits.
Sylvester (singer)
Sylvester (Sylvester James Jr., 1947-1988), American disco, R&B and soul singer-songwriter known as the Queen of Disco, famed for his falsetto, the 1978 hit 'You Make Me Feel (Mighty Real)', gold album Step II, and the Cockettes. Distinguishing: not the art critic David Sylvester nor the mathematician.
Sylvester Black
Sylvester Michael Black is an American transplant surgeon-scientist, professor of surgery and liver transplant director at Ohio State, and a 2025 Presidential Early Career Award recipient.
Sylvester equation
The Sylvester equation is the matrix equation AX + XB = C for an unknown matrix X, named after James Joseph Sylvester, who studied it in 1884.
Sylvester Graham
Sylvester Graham (1794–1851), Presbyterian minister and antebellum dietary reformer, 'prophet of bran bread'; advocated unbolted whole-wheat bread, vegetarianism, and sexual abstinence; namesake of the 1829 graham cracker; influenced Kellogg and Adventism.
Sylvester III
Sylvester III, born Giovanni in Rome, was bishop of Sabina elected pope by the Crescentian faction in January 1045; he held the throne about 49 days before Benedict IX expelled him.
Sylvester James Gates
Sylvester James Gates, born in 1950 in Tampa, Florida, is an American theoretical physicist known for supersymmetry and superstring theory who won the National Medal of Science in 2013.
Sylvester Magee
Sylvester Magee, claimed born May 29, 1841 and died October 15, 1971, was a Mississippi man publicized as the last surviving American slave and Civil War veteran; his 130-year age claim lacks documentation and is doubted by census evidence.
Sylvester matrix
The Sylvester matrix of two univariate polynomials is the square matrix of their coefficients, of size equal to the sum of the two degrees, whose determinant is the resultant.
Sylvester McCoy
Sylvester McCoy (born 1943, Percy James Patrick Kent-Smith) is a Scottish actor, the Seventh Doctor in Doctor Who (1987-1989, 1996 TV movie, Big Finish audio) and Radagast the Brown in Peter Jackson's Hobbit trilogy; distinct from the disco singer Sylvester.
Sylvester Medvedev
Sylvester Medvedev (Сильвестр Медведев), born Simeon Medvedev in Kursk, was a Russian monk, poet, and historian who wrote the charter for Russia's first academy and was executed in 1691.
Sylvester Mubayi
Sylvester Mubayi (1942–2022) was a Zimbabwean Shona stone sculptor who began at the Tengenenge community and won international acclaim, including the 1969 Ernest Oppenheimer Memorial Award.
Sylvester Shchedrin
Sylvester Feodosievich Shchedrin (Сильвестр Щедрин) was a Russian landscape painter, 1791–1830, who spent his mature career in Italy, painting views of Rome and Naples directly from nature and influencing the Neapolitan Posillipo school.
Sylvester Stallone
Sylvester Stallone (born 1946, New York City), also called Sly, is an American actor-writer-director who created Rocky Balboa and John Rambo, won a Best Picture Oscar with Rocky (1976), built the Rambo and Expendables franchises, and now stars in Tulsa King.
Sylvester the Cat
Sylvester the Cat is a tuxedo cat in Warner Bros.' Looney Tunes cartoons who chases Tweety Bird and rarely catches him, with 103 shorts from 1945.
Sylvester Turner
Sylvester Turner (1954–2025), Houston Democratic politician: 27 years in the Texas House (District 139, Speaker Pro Tempore), 62nd mayor of Houston 2016–2024 through Hurricane Harvey and COVID-19, and U.S. representative for Texas's 18th District who died in office March 5, 2025.
Sylvester's criterion
Sylvester's criterion is a test in linear algebra that determines whether a symmetric or Hermitian matrix is positive definite by checking that all its leading principal minors are positive.
Sylvestra Le Touzel
Sylvestra Le Touzel (born 1958) is a British actress known for Fanny Price in the 1983 BBC Mansfield Park, Mike Leigh films including Happy-Go-Lucky, The Crown, and National Theatre stage work.
Sylvi Listhaug
Sylvi Listhaug is a Norwegian politician who has led the Progress Party since 2021, represents Møre og Romsdal in Parliament, and previously served as a government minister in agriculture, justice, health, and petroleum.
Sylvi Saimo
Sylvi Saimo (Sylvi Riitta Saimo, née Sikiö, 1914–2004), Finnish kayak racer, farmer, and Centre Party politician; won the women's K1 500 m gold at Helsinki 1952, the first summer Olympic gold by a Finnish woman, after two 1950 world titles.
Sylvia (singer)
Sylvia (Sylvia Jane Kirby, later Sylvia Hutton), born 1956 in Kokomo, Indiana, is an American country-pop singer whose RCA hits "Drifter," "The Matador," and "Nobody" (1981-1982) made her a leading female country artist of the early 1980s.
Sylvia Allen
Sylvia Allen is an American Republican politician representing District 7 in the Arizona House of Representatives, appointed in April 2026 after previously serving as an Arizona State Senator.
Sylvia Beach
Sylvia Beach (1887–1962), American expatriate bookseller in Paris, founded Shakespeare and Company in 1919 and became the first publisher of James Joyce's Ulysses in 1922; closed under Nazi occupation in 1941.
Sylvia borin
Sylvia borin, the garden warbler (Gartengrasmücke, fauvette des jardins), a plain brown Sylviidae warbler breeding across Europe and wintering south of the Sahara; known by its fluty blackcap-like song, UK population 145,000 territories, IUCN Least Concern.