All articles starting with J
20,615 articles
Johan Bojer
Johan Bojer (1872–1959) was a Norwegian novelist and playwright whose epic portrayals of ordinary people made him internationally popular in the 1920s, on par with Norway's Nobel laureates.
Johan Brenner
Johan Brenner is a Swedish venture capitalist and General Partner at Creandum in Stockholm, best known for early backing of European fintechs including iZettle, Klarna, and Trade Republic.
Johan Britz
Johan Britz is a Swedish Liberalerna politician who has served as Minister for Employment since 2025, after working as a state secretary, chief of staff, and press director.
Johan Castberg Oil and Gas Field
Johan Castberg is an oil field in the Norwegian Barents Sea operated by Equinor, producing since March 2025 and the northernmost field on the Norwegian shelf.
Johan Christensen
Johan Christensen is a Danish-trained wave physicist working on acoustic and mechanical metamaterials, leading a research group at the IMDEA Materials Institute in Madrid since 2022.
Johan Cruijff Arena
Johan Cruijff ArenA (Johan Cruyff Arena), Amsterdam stadium opened 1996 as Amsterdam ArenA, home of AFC Ajax and the Dutch national team, renamed 2018 for Johan Cruyff; 55,000 seats, retractable roof, net positive by 2030.
Johan Cruyff
Johan Cruyff (Hendrik Johannes Cruyff, 1947-2016), Dutch footballer and coach, three-time Ballon d'Or winner, exponent of Total Football with Ajax and the 1974 Netherlands, and Barcelona's Dream Team coach.
Johan de Witt
Johan de Witt (1625–1672), Dutch Grand Pensionary of Holland 1653–1672, led the stadtholderless Dutch Republic, built its navy, made the Triple Alliance, and was lynched with his brother Cornelis in 1672.
Johan Djourou
Johan Djourou (Johannes Danon Djourou-Gbadjere), born 1987 in Abidjan, Swiss defender; Arsenal 2003–14, Hamburg captain, 76 Switzerland caps, three World Cups; retired 2021, now SFV women's technical director.
Johan Edman
Johan Viktor Edman (1875–1927), Swedish police officer and tug-of-war puller with Stockholmspolisens IF; won Olympic gold for Sweden at Stockholm 1912 and the 1913 world title.
Johan Elf
Johan Elf, born 1975, is a Swedish physical biologist and professor at Uppsala University who tracks single molecules in living cells and founded Astrego Diagnostics, whose PA-100 system tests antibiotic susceptibility in 45 minutes.
Johan Ericson
Johan Ericson is a Swedish developmental neuroscientist, Professor of Developmental Biology at Karolinska Institutet since 2006, known for neural patterning research and stem cell therapies for Parkinson's disease.
Johan Falkberget
Johan Falkberget (1879–1967) was a Norwegian novelist and former miner whose Røros mining novels, including Den fjerde nattevakt and Nattens brød, made him a major 20th-century author.
Johan Frederik Steffensen
Johan Frederik Steffensen (1873–1961) was a Danish mathematician and actuary who began as a jurist and became professor of actuarial mathematics at Copenhagen, known for Steffensen's method and inequality.
Johan Friele
Johan Mohr Friele (1866-1927), Norwegian surgeon, gynecologist, and sailor from Bergen; won 1920 Antwerp Olympic gold in the 12 metres class as helmsman of Heira II.
Johan G. Eriksson
Johan G. Eriksson, also known as Johan Eriksson, is a Finnish physician and epidemiologist, born in 1958, who studies how early growth shapes later heart disease and diabetes risk.
Johan Galtung
Johan Galtung (1930–2024), Norwegian sociologist and founder of peace studies, established PRIO, Journal of Peace Research, and Transcend, and coined negative/positive peace, structural violence, cultural violence, and the conflict triangle.
Johan Ghazali
Johan "Jojo" Ghazali (Muhammad Johan Ghazali Zulfikar, born 2006), Malaysian-American ONE Championship flyweight Muay Thai fighter from Rentap Muay Thai Gym; youngest male ONE athlete at debut, US$100,000 contract, 8-5 ONE record with 75% finish rate.
Johan Grøttumsbraaten
Johan Grøttumsbraaten (Grøttumsbråten), Norwegian skier 1899–1983, Nordic combined and cross-country specialist; three Olympic golds (1928 18 km and combined, 1932 combined), six Olympic medals, world champion 1926 and 1931, XU resistance courier chief.
Johan Gunnar Andersson
Johan Gunnar Andersson was a Swedish geologist whose work in China from 1914 produced the first evidence of Neolithic culture there and named the Yangshao culture.
Johan Harmenberg
Johan Harmenberg (Johan Georg Harmenberg, born Åkerman), Swedish épée fencer born 1954 in Stockholm; 1980 Moscow Olympic individual épée gold, the first individual fencing gold by a Swede, 1977 world champion, later viral immunology researcher and author of Epee 2.0.
Johan Håstad
Johan Torkel Håstad, born 1960, is a Swedish theoretical computer scientist at KTH Royal Institute of Technology, known for the switching lemma and optimal inapproximability results.
Johan Herman Lie Vogt
Johan Herman Lie Vogt (1858–1932) was a Norwegian geologist and metallurgist who applied physical chemistry to magmatic melts and helped establish the magmatic-segregation hypothesis for nickel-copper sulfide ores.
Johan Hin
Johan Hin (Johannes Jozef Antonius Hin, 1899–1957), Dutch sailor from Haarlem; 1920 Olympic gold in the 12-foot dinghy Beatrijs III with father Cornelis and brother Frans; later a documentary filmmaker.
Johan Hofkens
Johan Hofkens is a Belgian chemist and full professor at KU Leuven known for single-molecule fluorescence microscopy, including a 2006 Nature study mapping catalytic activity across a crystal by counting individual turnover events.
Johan Huizinga
Johan Huizinga (1872–1945) was a Dutch cultural historian, professor at Groningen and Leiden, whose The Autumn of the Middle Ages (1919) and Homo Ludens (1938) brought international renown and Nobel Prize nominations.
Johan Jacob Seidel
Johan Jacob Seidel (1919–2001) was a Dutch mathematician who founded the mathematics department of TU Eindhoven and was known for Seidel matrices, switching, and strongly regular graphs.
Johan Jarlen
Johan Jarlén (Johan Jarlen), 1880–1955, Swedish gymnast and architect who won team gold in artistic gymnastics at the London 1908 Olympics with Sweden's 38-man Swedish-system team, scoring 438 of 480 points.
Johan Jensen (Danish mathematician)
Johan Jensen (1859–1925) was a Danish telephone engineer and self-taught mathematician, chief engineer of the Copenhagen Telephone Company, remembered for Jensen's inequality and Jensen's formula in complex analysis.
Johan Kenkhuis
Johan Kenkhuis (born 1980, Vriezenveen) is a Dutch former freestyle swimmer, two-time Olympian, with relay silver at Athens 2004 and bronze at Sydney 2000, later SwimGym owner.