All articles starting with J
20,615 articles
John Frederick Kensett
John Frederick Kensett (1816–1872) was an American landscape painter and former engraver, a leading second-generation Hudson River School artist best known for luminist scenes of Newport and Lake George.
John Fredrick MacGregor
John Fredrick MacGregor is a Canadian chemical engineer and Professor Emeritus at McMaster University, known for pioneering multivariate statistical methods for monitoring and controlling industrial processes.
John Fremont McCullough
John Fremont McCullough, known as "Grandpa McCullough," was an Illinois dairyman who with his son developed soft-serve ice cream and co-founded Dairy Queen in 1940.
John French, 1st Earl of Ypres
John French, 1st Earl of Ypres (John Denton Pinkstone French, 1852–1925), British field marshal who commanded the British Expeditionary Force 1914–15, resigned after Loos, and served as last Lord Lieutenant of Ireland 1918–21, surviving an IRA ambush.
John Friedlander
John Friedlander (born 1941) is a Canadian analytic number theorist at the University of Toronto, known for proving infinitely many primes of the form a² + b⁴.
John Fries Frazer
John Fries Frazer, known as John F. Frazer, was an American chemist and University of Pennsylvania professor, a charter member of the National Academy of Sciences.
John Fritz Medal
The John Fritz Medal is an annual American engineering award, established in 1902 as a memorial to steel industry pioneer John Fritz and often called the highest US engineering honor.
John Froines
John Froines (1939–2022) was an American chemist and Chicago Seven defendant, acquitted of all charges in the 1969–70 trial, later OSHA Director of Toxic Substances and a UCLA public health professor.
John Frost (British Army officer)
Major-General John Dutton Frost (1912-1993), British airborne officer of the Cameronians and Parachute Regiment, led the Bruneval Raid and 2nd Parachute Battalion at Arnhem; the Arnhem bridge was renamed John Frost Bridge.
John Frum
John Frum, also Jon Frum or Jonfrum, is a prophetic spirit figure of the politico-religious movement that arose on Tanna, Vanuatu, in the late 1930s, classified as a cargo cult; followers still hold John Frum Day on February 15 at Lamakara awaiting his return with cargo.
John Frusciante
John Frusciante (John Anthony Frusciante) is an American guitarist known for his tenures in the Red Hot Chili Peppers, which he joined in 1988 at 18.
John Fugelsang
John Fugelsang is an American actor, comedian, and broadcaster, host of SiriusXM's Tell Me Everything, former VH1 host and America's Funniest Home Videos presenter, author of Separation of Church and Hate.
John Fulton
John Fulton (1834–1907) was a Scottish-born Episcopal priest and canon-law scholar who held the chair of canon law at the Philadelphia Divinity School and wrote Index Canonum.
John Furlong (sports administrator)
John Furlong, Irish-born Canadian sports administrator; CEO of VANOC for the Vancouver 2010 Olympic and Paralympic Winter Games after leading the 2001–2003 bid; Officer of the Order of Canada; author of Patriot Hearts.
John Fury
John Fury, nicknamed Gypsy John, Irish-British former heavyweight boxer (8-4-1, 1987-1995) and bare-knuckle fighter; father and cornerman of Tyson and Tommy Fury, ex-prisoner, later estranged from Tyson.
John G. Avildsen
John G. Avildsen (John Guilbert Avildsen, 1935-2017) was an American film director and editor who won the 1977 Oscar for Best Director for Rocky (1976) and directed The Karate Kid (1984) and its first two sequels.
John G. Barnard
John Gross Barnard (1815–1882) was a US Army Corps of Engineers officer who built the defenses of Washington, D.C., during the Civil War and studied the gyroscope.
John G. Bartlett
John G. Bartlett (1937–2021) was an American infectious-disease physician who led Johns Hopkins' division from 1980 to 2006 and identified Clostridium difficile as the cause of antibiotic-associated colitis.
John G. Doench
John G. Doench, also cited as John Doench, directs research at the Broad Institute's Genetic Perturbation Platform and is known for sgRNA design rules for CRISPR-Cas9.
John G. E. Marck
John G. E. Marck, born 1982, is a United States district judge for the Southern District of Texas, nominated by President Trump and confirmed in June 2026.
John G. Flanagan
John G. Flanagan is an optometrist and glaucoma researcher who served as inaugural dean of the Herbert Wertheim School of Optometry at UC Berkeley from 2014 to 2025.
John G. Gorman
John G. Gorman, born 1931, is an Australian-born hematologist who, with Vincent Freda and William Pollack at Columbia University, developed RhoGAM, the anti-D injection preventing Rh disease in newborns, sharing the 1980 Lasker Award.
John G. Haddad
John G. Haddad (1937–1997) was an American endocrinologist at the University of Pennsylvania who developed the first reliable blood test for vitamin D and led its endocrinology division.
John G. Kelton
John G. Kelton is a Canadian hematologist and physician-scientist at McMaster University whose research on heparin-induced thrombocytopenia and immune thrombocytopenia changed treatment worldwide; he was elected to the Royal Society of Canada in 2002.
John G. Koeltl
John G. Koeltl, born in 1945 in New York, is a United States district judge of the Southern District of New York, appointed by President Clinton in 1994.
John G. Laffey
John G. Laffey is an Irish anesthesiologist, Professor of Anaesthesia and Intensive Care Medicine at the University of Galway, known for research on carbon dioxide biology and ARDS.
John G. Linvill
John G. Linvill (1919–2011) was an American electrical engineer at Stanford University known for transistor circuit theory and for inventing the Optacon, an electronic reading device for blind readers.
John G. McHutchison
John G. McHutchison is an Australian-born hepatologist and clinical trialist whose trials transformed hepatitis C into a curable disease; he has led Tune Therapeutics as CEO since March 2025.
John G. Murtha
John G. Murtha, also known as John Garvan Murtha, is an inactive senior US district judge for Vermont, appointed by President Clinton in 1995 and chief judge until 2002.
John G. Schmitz
John G. Schmitz (1930–2001), also John George Schmitz, was a Republican U.S. Representative from California's 35th District (1970–1973), California state senator, John Birch Society member, and the American Party's 1972 presidential nominee.