All articles A–Z
519,064 articles
Jack Dongarra
Jack Dongarra, born in 1950, is an American computer scientist whose numerical libraries and the TOP500 supercomputer benchmark shaped high-performance computing, earning him the 2021 Turing Award.
Jack Donnelly
Jack Donnelly (born 1985) is a British actor, writer, and director from Bournemouth, best known for playing Jason in the BBC fantasy series Atlantis (2013–2015) and for films including Friendsgiving.
Jack Dorsey
Jack Patrick Dorsey is an American technology executive who co-founded Twitter, led it as chief executive twice, and co-founded Square, now Block, Inc., in 2009.
Jack Dragna
Jack Dragna (Ignazio Dragna, 1891–1956) was an Italian-American mobster who led the Los Angeles crime family from 1931 until his death; a commission called him the "Al Capone of Los Angeles."
Jack Draper
Jack Draper, British left-handed tennis player from Sutton, England; 2024 US Open semi-finalist, 2025 Indian Wells Masters 1000 champion, career-high ATP No. 4 (June 2025), son of former LTA chief executive Roger Draper.
Jack Dreyer
Jack Dreyer (Jacob Andrew Dreyer, born 1999) is a left-handed relief pitcher for the Los Angeles Dodgers; undrafted from Iowa in 2021, MLB debut 2025, 2025 World Series champion, ninth in NL Rookie of the Year voting.
Jack Dunphy
Jack Dunphy (1914-1992), American novelist, playwright, and former Broadway dancer in Oklahoma!; author of John Fury (1946) and Dear Genius (1987); Truman Capote's companion for about thirty-five years and heir.
Jack Dylan Grazer
Jack Dylan Grazer (born 2003) is an American actor from Los Angeles, known as Eddie in It (2017/2019), Freddy Freeman in Shazam!, and the voice of Alberto in Pixar's Luca.
Jack E. Buffington
Jack E. Buffington was an American civil engineer and Navy rear admiral who commanded the Naval Facilities Engineering Command and later taught at the University of Arkansas.
Jack E. Cermak
Jack E. Cermak, also known as Jack Edward Cermak, was an American civil engineer at Colorado State University known as the father of wind engineering.
Jack E. Dixon
Jack E. Dixon, born in 1943, is an American biochemist whose laboratory defined protein tyrosine phosphatases, showed the tumor suppressor PTEN acts on a lipid, and discovered bacterial virulence factors.
Jack E. McLaughlin
Jack E. McLaughlin (1923–2001) was an American mathematician at the University of Michigan who discovered the McLaughlin group, one of the 26 sporadic finite simple groups.
Jack E. Taunton
Jack E. Taunton is a professor of cellular and molecular pharmacology at UCSF whose laboratory's reversible covalent chemistry produced the BTK inhibitor rilzabrutinib and who co-founded biotechnology companies including Terremoto Biosciences.
Jack E. White
Jack Edward White (1921–1988) was an American cancer surgeon and Howard University professor who built its NCI-designated cancer center, becoming the first African American to lead one.
Jack Edmonds
Jack Edmonds, born 1934, is an American mathematician and computer scientist who founded modern combinatorial optimization at the National Bureau of Standards, creating the blossom algorithm for maximum matching.
Jack Eichel
Jack Eichel, American NHL center born 1996 in North Chelmsford, Massachusetts; Hobey Baker winner, 2015 second overall draft pick (Sabres), Vegas Golden Knights star, 2023 Stanley Cup champion, ADR neck surgery pioneer, $13.5M AAV extension.
Jack Elam
Jack Elam, born William Scott Elam, was an American character actor whose blind left eye made him a memorable Western villain in more than fifty Westerns.
Jack Elinson
Jack Elinson, born Israel Jack Elinson, was an American sociomedical scientist and statistician who founded the first sociomedical sciences department in a school of public health at Columbia University.
Jack Endries
Jack Endries, Cincinnati Bengals tight end (No. 84), seventh-round pick 221 of the 2026 NFL Draft from Texas via Cal; walk-on, 124 catches for 1,376 yards in college, sure-handed flex tight end.
Jack Evans (wrestler)
Jack Evans (Jack Edward Miller, born 1982) is an American high-flying professional wrestler of ROH, Dragon Gate, AAA, and AEW fame; four-time AAA World Tag Team Champion and founding member of Generation Next.
Jack F. Douglas
Jack F. Douglas is an American polymer physicist at NIST known for the string model of glass formation and a Fellow of the American Physical Society.
Jack Falahee
Jack Falahee (John Ryan Falahee), American actor born 1989 in Ann Arbor, Michigan; NYU Tisch graduate known for Connor Walsh on How to Get Away with Murder (2014–2020), Frank Stringfellow on Mercy Street, and understudy in the 2026 Broadway Death of a Salesman revival.
Jack family disappearance
Jack family disappearance: Ronald, Doreen, Russell, and Ryan Jack, an Indigenous family of Prince George, British Columbia, vanished August 2, 1989 after accepting a logging-camp job offer from an unidentified man; unsolved, no trace found.
Jack Fishman
Jack Fishman, born Jacob Fiszman in Kraków, Poland, in 1930, was a Jewish American pharmaceutical chemist who co-developed naloxone, the opioid overdose antidote, and died in 2013.
Jack Fisk
Jack Fisk (born 1945, Canton, Illinois) is an American production designer known for building full-scale, 360-degree-shootable sets for Terrence Malick, David Lynch, Paul Thomas Anderson, Scorsese, and Iñárritu; four-time Oscar nominee, married to Sissy Spacek.
Jack Flaherty
Jack Rafe Flaherty (born 1995) is an MLB right-handed pitcher, 2019 Cardinals Cy Young vote-getter, 2024 Dodgers World Series champion, now with Detroit Tigers on a two-year, $35 million deal.
Jack Flett
Jack Flett (John Flett, 1871-1932), Canadian Métis lacrosse defender from Kildonan, Manitoba; won gold with the Winnipeg Shamrocks in the first Olympic lacrosse tournament at St. Louis 1904.
Jack Fox (actor)
Jack Louis Fox (born 1985, London) is a British actor of the Fox acting dynasty, known as Sir Edward Denham in Sanditon, Nico Eltham in Riviera, and for Dear Lupin with his father James Fox.
Jack Fraser
Jack Fraser (John Alexander Fraser, 1881-1959) was a Canadian halfback with Galt FC who won gold in men's football at the 1904 St. Louis Olympics, playing one match in Galt's round-robin victories; also Ontario Cup winner 1903.
Jack Frost
Jack Frost is the English folklore personification of frost, ice, snow, and winter, who draws fern-like ice patterns on windows and nips noses. Earliest print mention c. 1730 in Round About Our Coal-Fire; modern canon set by the 1944 song The Christmas Song and films of 1979, 1998, and 2012.