All articles starting with J
20,615 articles
John Klintberg
John Klintberg (1885–1955) was a Swedish long-distance runner who competed at the 1912 Stockholm Olympics, where he failed to finish the individual cross-country race but was part of Sweden's gold-medal team.
John Kluge
John Werner Kluge (1914–2010) was a German-born American media mogul who built Metromedia, was Forbes' richest American in 1990, and gave $60 million to endow the Library of Congress Kluge Center and Kluge Prize.
John Knatchbull, 7th Baron Brabourne
John Knatchbull, 7th Baron Brabourne (1924–2005), known as John Brabourne, was a British film and television producer whose credits included A Passage to India and Thames Television chairmanship.
John Knox
John Knox (c. 1505 or 1513 to 1572) was a Scottish minister and the leading figure of the Scottish Reformation of 1560, which abolished papal jurisdiction and the Mass.
John Knox Bokwe
John Knox Bokwe (1855–1922) was a Xhosa Presbyterian minister, journalist, and composer who worked at Lovedale, helped found the University of Fort Hare, and became one of the most celebrated Xhosa hymn writers.
John Koenakeefe Mohl
John Koenakeefe Mohl (1903–1985) was a South African painter and art teacher who founded the White Studio in Sophiatown, Johannesburg, and painted township and rural scenes.
John Konchar
John Konchar is an American basketball player who went undrafted in 2019, spent seven seasons with the Memphis Grizzlies, and later played for the Utah Jazz.
John Konrads
John Konrads (Jānis Konrads, 1942-2021), Latvian-born Australian swimmer, 1960 Olympic 1500m freestyle champion with two Rome bronzes; with sister Ilsa set 37 world records as the Konrads Kids.
John Korir (runner, born 1996)
John Korir (born 1996, Kitale, Kenya) is a Kenyan marathon runner, brother of Wesley Korir; winner of the 2024 Chicago Marathon and 2025 and 2026 Boston Marathons, the 2026 race in a course record 2:01:52.
John Koyama
John Koyama (born 1973) is an American stunt coordinator, fight coordinator, second unit director, and actor, a three-time Emmy winner for supervising stunt coordination on The Boys, known for Preacher and for playing Emilio in Breaking Bad.
John Krasinski
John Krasinski (born 1979), American actor and filmmaker: Jim Halpert on The Office (2005–2013), writer-director-star of A Quiet Place (2018), Jack Ryan in the Prime Video series and 2026 film Ghost War.
John Krasinski filmography
John Krasinski filmography: screen credits of the American actor and filmmaker (born 1979), from Jim Halpert on The Office (2005-2013) to directing A Quiet Place, IF, and starring as Jack Ryan.
John Krebs, Baron Krebs
John Krebs, Baron Krebs, is a British zoologist and crossbench life peer, the first Chairman of the UK Food Standards Agency from 2000 to 2005.
John Kreese
John Kreese is the fictional Cobra Kai sensei of The Karate Kid franchise, played by Martin Kove, a Vietnam veteran whose "no mercy" teaching defines the villain of the 1984 film and the Cobra Kai series.
John Kricfalusi
John Kricfalusi (John K., Michael John Kricfalusi), Canadian animator born 1955 in Chicoutimi, Quebec; creator of Nickelodeon's The Ren & Stimpy Show and founder of Spümcø; fired in 1992 over missed deadlines; later web animation; 2018 sexual-abuse allegations.
John Kruk
John Kruk (John Martin Kruk, born 1961) is a former MLB first baseman for the Padres, Phillies, and White Sox, a three-time All-Star, 1993 NL champion, and current Phillies broadcaster.
John Kudusay
John Kudusay is the stage name of John Ngong Longar Mou, a South Sudanese singer and former SPLA soldier from Aweil whose Dinka songs made him a veteran figure of South Sudanese music.
John Kufuor
John Agyekum Kufuor is a Ghanaian lawyer and politician who served as President of Ghana from 2001 to 2009, winning the 2000 and 2004 elections.
John Kuhn
John Kuhn (born 1982, York, PA) is a former NFL fullback, Shippensburg undrafted free agent, who played for the Steelers, Packers (2007-15), and Saints, earning three Pro Bowls, two All-Pro nods, and a Super Bowl XLV title.
John Kuriyan
John Kuriyan is an American structural biologist, dean of basic sciences at Vanderbilt University since 2023, known for structures of cell signaling and DNA replication proteins.
John L. Anderson
John L. Anderson is an American chemical engineer known for research on colloidal hydrodynamics and membrane transport, and president of the National Academy of Engineering from 2019 to 2025.
John L. Badalamenti
John Leonard Badalamenti is an American jurist serving as a United States district judge for the Middle District of Florida since 2020, appointed by President Donald Trump.
John L. Bogdanoff
John L. Bogdanoff (1916–2003) was an American mechanical engineer at Purdue University who pioneered stochastic processes in engineering analysis and joined the National Academy of Engineering in 1975.
John L. Bohn
John L. Bohn is a theoretical physicist and JILA Fellow at the University of Colorado Boulder, known for the collision physics of ultracold atoms and dipolar quantum gases.
John L. Bowman
John L. Bowman is an Australian-based plant developmental geneticist and professor at Monash University in Melbourne, known for the ABC model of floral development and the first liverwort genome sequence.
John L. Cameron
John L. Cameron, full name John Lemuel Cameron, is an American surgeon at Johns Hopkins in Baltimore who performed more than 2,000 Whipple operations and served as chairman of surgery from 1984 to 2003.
John L. Cleasby
John L. (Jack) Cleasby was an American environmental engineer at Iowa State University, a leading authority on granular filtration of drinking water, elected to the National Academy of Engineering in 1983.
John L. Cleveland
John L. Cleveland is an American cancer biologist and Center Director of Moffitt Cancer Center in Tampa, known for research on the MYC oncogene and Myc-driven lymphoma.
John L. Decker
John Laws Decker was an American rheumatologist who led NIH's arthritis research program for eighteen years, directed the NIH Clinical Center from 1983 to 1990, and established cyclophosphamide as standard therapy for lupus nephritis.
John L. Gidley
John L. Gidley (1924–2009) was an American petroleum engineer at Exxon, elected to the National Academy of Engineering in 1994 for advances in well stimulation.