All articles starting with J
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John I of France
John I the Posthumous (Jean Ier le Posthume), 15–19 November 1316, infant king of France and Navarre, posthumous son of Louis X; last direct father-to-son Capetian king, succeeded by Philip V, later the subject of an impostor affair.
John I of Portugal
John I of Portugal (João I, 1357–1433), founder of the House of Aviz, illegitimate son of Pedro I, elected king at Coimbra in 1385, victor of Aljubarrota, husband of Philippa of Lancaster, taker of Ceuta.
John I. Brauman
John I. Brauman (1937–2024) was an American physical organic chemist at Stanford University who pioneered gas-phase ion chemistry and made SN2 reactions a model system for reaction dynamics.
John I. Gallin
John I. Gallin (1943–2024) was an American immunologist who spent 50 years at NIH studying phagocyte immune deficiencies and served as the Clinical Center's longest-serving director, 1994 to 2017.
John I. Hedges
John I. Hedges (1946–2002) was an American organic geochemist and chemical oceanographer at the University of Washington, known for lignin tracers of land plant carbon in the sea.
John I. Lacey
John I. Lacey (1915–2004) was an American psychophysiologist who spent 30 years at the Fels Research Institute in Yellow Springs, Ohio, defining the field of psychophysiology.
John Ibrahim
John Houssam Ibrahim is a Sydney nightclub owner who has run Kings Cross venues since the late 1980s.
John II (Patriarch of Constantinople)
John II, called the Cappadocian, was Patriarch of Constantinople from 518 to 520 who, with Emperor Justin I, ended the Acacian Schism between Constantinople and Rome.
John II (Pope)
John II, born Mercurius, was the 56th pope, serving from 533 to 535 and the first pope on record to change his name on taking office.
John II Casimir
John II Casimir (Jan II Kazimierz Waza) was King of Poland and Grand Duke of Lithuania from 1648 to 1668, reigning through the Deluge and wars with Muscovy.
John II Komnenos (Ἰωάννης Β΄ Κομνηνός)
John II Komnenos (Ἰωάννης Β΄ Κομνηνός), Byzantine emperor 1118-1143, son of Alexios I, called Kaloïoannes; consolidated the empire, defeated the Pechenegs at Beroea in 1122, and died in 1143 of a hunting wound.
John II of Brittany
John II of Brittany (Yann, Jean), Duke of Brittany 1286–1305 and Earl of Richmond, of the House of Dreux; married Beatrice of England, fought for France at Mons-en-Pévèle, died 1305 after an accident.
John II of France
John II the Good (Jean II le Bon, 1319–1364), second Valois king of France 1350–1364, son of Philip VI; captured at Poitiers 1356, ransomed under Brétigny, died in London captivity 1364.
John III
John III, born Catelinus, was the 61st pope, a Roman who held the see of Rome from 561 until his death in 574 during the Lombard invasion of Italy.
John III Doukas Vatatzes
John III Doukas Vatatzes (Ἰωάννης Δούκας Βατάτζης) was emperor of the Empire of Nicaea from 1221 to 1254, making it the leading Byzantine successor state.
John III of Portugal
João III (John III of Portugal, 1502–1557), king 1521–1557, son of Manuel I; bought the Moluccas via Zaragoza 1529, retreated from Morocco, colonized Brazil with captaincies and a 1549 general government, and instituted the Portuguese Inquisition in 1536.
John III Sobieski
John III Sobieski (Jan III Sobieski, 1629–1696), King of Poland from 1674, Grand Hetman of the Crown, victor of Chocim (1673) and the relief of Vienna (12 September 1683); died at Wilanów.
John III the Scholastic
John III the Scholastic (Greek: Iōannēs Scholastikos) was Ecumenical Patriarch of Constantinople from 565 to 577, an Antiochene lawyer appointed by Justinian I and the pioneer canonist of the Byzantine Church.
John Illsley
John Illsley (born 1949) is an English bass guitarist, co-founder of Dire Straits (1977–1995), bandmate of Mark Knopfler, holder of Grammys and the 2018 Rock Hall induction, painter, pub owner, and 2021 memoirist.
John Imbrie
John Imbrie (1925–2016) was an American paleoceanographer who founded quantitative study of past ocean climates, led CLIMAP and SPECMAP, and empirically demonstrated Milankovitch theory of the ice ages.
John Inman
John Inman (1935–2007), English actor and singer, played camp menswear assistant Mr Humphries with the catchphrase "I'm free!" in the BBC sitcom Are You Being Served? (1972–1985), and was a celebrated British pantomime dame.
John Innes Centre
John Innes Centre: independent UK plant science, genetics and microbiology institute on the Norwich Research Park; founded 1910 from John Innes's bequest, BBSRC-supported charity led by Cristóbal Uauy.
John Ioannidis (Ιωάννης Π. Α. Ιωαννίδης)
John Ioannidis (Ιωάννης Π. Α. Ιωαννίδης), born 1965, Greek-American Stanford physician-scientist and meta-researcher, author of the 2005 essay "Why Most Published Research Findings Are False" and co-director of METRICS.
John Irvine (chemist)
John T. S. Irvine is a solid state chemist and Professor of Chemistry at the University of St Andrews, known for solid oxide fuel cells and electrolysers.
John Irving
John Irving (born 1942, Exeter, New Hampshire) is an American novelist, author of The World According to Garp, A Prayer for Owen Meany, and The Cider House Rules; National Book Award and Oscar winner, sixteen novels, lives in Toronto.
John Isner
John Isner, American tennis player (born 1985, Greensboro, NC), 16 ATP titles, career-high No. 8 in 2018, ATP all-time ace leader (14,470), winner of the longest match in tennis history (2010 Wimbledon vs Mahut), retired 2023.
John IV
John IV was pope from 640 to 642, a Dalmatian by birth who condemned Monothelitism in a Roman synod, ransomed captives in Dalmatia, and built the chapel of St Venantius.
John IV of Brittany
John IV of Brittany (Yann IV, 1339–1399), Montfort duke from 1364, won the Breton War of Succession at Auray, endured exile 1373–1379, and built an autonomous Breton state between France and England.
John IV the Fasting
John IV the Fasting (Greek Ἰωάννης ὁ Νηστευτής) was Ecumenical Patriarch of Constantinople from 582 until his death in 595, an ascetic saint whose use of the title ecumenical patriarch provoked protests from Rome.
John IX
John IX was pope from 897 or 898 until 900, the 116th pope, who formally reversed the Cadaver Synod that had put Pope Formosus's corpse on trial.