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Bartitsu
Bartitsu, also spelled baritsu in the Sherlock Holmes stories, is a hybrid Victorian self-defence art created in 1898 by E.W. Barton-Wright in London, combining jujutsu, boxing, savate, and Vigny stick fighting; the original club closed in 1902 and the art survives through the post-2002 revival.
Bartle taxonomy of player types
Bartle taxonomy of player types: four MUD player types (Achievers, Explorers, Killers, Socializers) from two dimensions; basis of later models like Yee's motivations and Hexad.
Bartleby, the Scrivener
Bartleby, the Scrivener: A Story of Wall-Street (Melville, 1853, Putnam's Monthly Magazine; Piazza Tales 1856), short story of a copyist who refuses all work with "I would prefer not to," told by his lawyer-boss; read as labor protest, Christ figure, or alienated author.
Bartlett School of Architecture
The Bartlett School of Architecture is the architecture school of University College London, founded in 1919 and named for the contractor Sir Herbert Bartlett, with about 1,700 students.
Bartlett's test
Bartlett's test, also called the Sphericity test, is a statistical test checking whether several groups have equal variances, commonly used to check an assumption of ANOVA.
Bartlett's test of sphericity
Bartlett's test of sphericity is a chi-square test, proposed by M. S. Bartlett in 1950, that checks whether a correlation matrix differs from the identity before exploratory factor analysis.
Bartley Gorman
Bartley Gorman (1944/45-2002), English-born Traveller bare-knuckle boxer, self-declared King of the Gypsies 1972-1992 and undefeated champion of Britain and Ireland; uncle of Uriah Burton's line, relative of Tyson Fury.
Bartley P. Griffith
Bartley P. Griffith is an American cardiac surgeon and transplant scientist at the University of Maryland School of Medicine who performed the world's first pig heart transplant into a human in 2022.
Bartłomiej Kubkowski
Bartłomiej Kubkowski (born 1995), Polish marathon swimmer nicknamed "Foka"; first person to swim across the Baltic Sea, 160 km from Kåseberga, Sweden to Dziwnów, Poland in about 55 hours on his fifth attempt, 2 August 2026, raising ~850,000 zlotys for Cancer Fighters.
Bartlow Hills
Bartlow Hills: a group of large Romano-British burial mounds at Bartlow, Cambridgeshire/Essex, late 1st to early 2nd century AD, excavated 1832–1840, finds lost in an 1847 fire, now a scheduled monument.
Bartok
Bartok, also called Bartog or Warthog, is a Crazy Eights-family shedding card game for 2-8 players in which the winner of each hand adds a new rule, and rule-breakers draw penalty cards.
Bartók (Mercurian crater)
Bartók is a 112-km complex impact crater on Mercury at 29.6S, 134.6W, named for Hungarian composer Bela Bartok and approved by the IAU in 1979, with central peaks and terraced walls imaged by MESSENGER.
Bartok the Magnificent
Bartok the Magnificent is a 1999 direct-to-video animated musical spin-off of Anastasia, directed by Don Bluth and Gary Goldman, starring Hank Azaria's bat Bartok rescuing Prince Ivan from Baba Yaga, released November 16, 1999.
Bartolina Sisa
Bartolina Sisa was an Aymara trader and insurgent commander who, with her husband Túpac Katari, led the 1781–1782 uprising in Alto Perú and directed the sieges of La Paz.
Bartolo Colón
Bartolo Colón (Big Sexy), Dominican MLB pitcher (1997-2018), 247-188, 4.12 ERA, 2,535 strikeouts, 2005 AL Cy Young with the Angels; career wins leader among Latin American-born pitchers; 2012 testosterone suspension; 2024 Hall ballot drew five votes.
Bartolo Longo
Bartolo Longo was an Italian lawyer and former occultist who founded the Shrine of Our Lady of the Rosary at Pompei and was canonized in 2025.
Bartolomé Bermejo
Bartolomé Bermejo, born Bartolomé de Cárdenas, was a Spanish painter of the 15th century, active at Valencia, Daroca, Zaragoza, and Barcelona in the Crown of Aragon.
Bartolomé Carranza
Bartolomé Carranza (1503–1576) was a Spanish Dominican theologian who became Archbishop of Toledo and Primate of Spain in 1557, then spent nearly seventeen years as a prisoner of the Inquisition.
Bartolomé de las Casas
Bartolomé de las Casas (1484 or 1485 – 1566) was a Spanish Dominican friar and bishop of Chiapa who began as a colonist and became the Spanish Empire's principal advocate for Indigenous rights.
Bartolomé Esteban Murillo
Bartolomé Esteban Murillo (1617/1618–1682), Sevillian Spanish Baroque painter, leading artist of 17th-century Seville; known for soft, vaporous religious works, Immaculate Conceptions, and genre scenes of beggar children.
Bartolomé Herrera
Bartolomé Herrera (1808–1864) was a Peruvian priest, orator, educator, and conservative politician who served as deputy for Lima and presided over the Constituent Congress of 1860, helping produce Peru's longest-lasting constitution.
Bartolomé Masó
Bartolomé Masó, born in Manzanillo in 1830, was a Cuban independence general and last president of the Republic of Cuba in Arms, serving from 1897 to 1898.
Bartolomé Mitre
Bartolomé Mitre was an Argentine politician, general, and historian who served as president of Argentina from 1862 to 1868 and commanded the allied armies against Paraguay.
Bartolomé R. Celli
Bartolomé R. Celli is a Venezuelan-trained pulmonary physician and Professor of Medicine at Harvard Medical School, known for the BODE index and co-chairing ATS/ERS COPD guidelines.
Bartolomeo Cristofori
Bartolomeo Cristofori was an Italian harpsichord maker at the Medici court in Florence, credited around 1700 with inventing the piano by replacing plucked strings with hammers.
Bartolomeo Gosio
Bartolomeo Gosio (1863–1944) was an Italian physician and microbiologist who showed that fungi convert arsenic into a volatile gas and isolated the first antibiotic crystallized from a mold.
Bartolomeu Bueno da Silva
Bartolomeu Bueno da Silva is the name of two father-and-son São Paulo bandeirantes nicknamed Anhanguera, meaning "Old Devil"; the son opened the gold region of Goiás from 1722.
Bartolomeu Dias
Bartolomeu Dias, also written Bartholomew Diaz, was a Portuguese navigator who in 1487–1488 first rounded Africa's southern tip, proving a sea route to India existed.
Barton (remains of)
Barton (remains of), NHLE 1006310, is a scheduled monument in Abingdon on Thames, Oxfordshire: the ruin of the Abbot of Abingdon's mansion at Barton Farm, burnt in 1327, rebuilt by Thomas Reade in 1554, and destroyed in the Civil War.
Barton Court Farm
Barton Court Farm, Abingdon, Oxfordshire: multiperiod archaeological site with a 1st-century BC Iron Age enclosure, a 3rd-4th century Roman villa in a 125m x 145m compound, and an Anglo-Saxon settlement of grubenhauser, occupied into the 5th century.