All articles starting with D
24,034 articles
Dennis D.M. O’Leary
Dennis D.M. O'Leary (1954–2024) was an American neuroscientist and professor at the Salk Institute who studied axon guidance and how the brain's sensory maps and cortical areas are built during development.
Dennis Day
Dennis Day (born Owen Patrick Eugene McNulty, 1916-1988) was an Irish-American tenor and comedian, Jack Benny's radio and TV "boy singer" from 1939 to 1974, star of A Day in the Life of Dennis Day and The Dennis Day Show.
Dennis DeConcini
Dennis Webster DeConcini (born 1937) is a Democratic former U.S. senator from Arizona, 1977-1995, known for the Panama Canal Treaty reservation and as one of the Keating Five.
Dennis DeYoung
Dennis DeYoung, Chicago-born co-founder, singer, and keyboardist of Styx, wrote "Lady," "Babe," "Come Sail Away," and "Mr. Roboto"; he left the band in 1999, recorded solo albums including 26 East, and tours performing the Music of Styx.
Dennis Dugan
Dennis Dugan (born 1946, Wheaton, Illinois) is an American director and actor, also credited as Dennis Barton Dugan, known for Adam Sandler comedies like Happy Gilmore, Big Daddy, and Grown Ups, over $1 billion in grosses, and his 1990 debut Problem Child.
Dennis E. Discher
Dennis E. Discher is a professor of chemical and biomolecular engineering at the University of Pennsylvania known for showing that matrix stiffness directs stem cell fate, elected to the National Academy of Engineering in 2012.
Dennis E. Hallahan
Dennis E. Hallahan is an American radiation oncologist and cancer researcher, head of Radiation Oncology at Washington University in St. Louis since 2009, known for radiation-inducible gene therapy.
Dennis E. Niewoehner
Dennis E. Niewoehner was an American pulmonary physician and COPD researcher who spent 42 years as Chief of the Pulmonary Section at the Minneapolis VA Medical Center.
Dennis E. Vance
Dennis E. Vance is a Canadian biochemist at the University of Alberta known for establishing how cells make phosphatidylcholine and how the pathway governs liver function.
Dennis Eckersley
Dennis Eckersley (born 1954, Oakland) is a Hall of Fame pitcher (1975–1998) who won 151 games as a starter, then became a legendary Oakland A's closer: 390 saves, 1992 AL Cy Young and MVP, 0.61 ERA in 1990.
Dennis Edwards
Dennis Edwards (1943–2018), American soul singer, lead vocalist of the Temptations from 1968 (replacing David Ruffin) and earlier of the Contours; sang "Cloud Nine", Motown's first Grammy winner, and "Papa Was a Rollin' Stone"; later solo hit "Don't Look Any Further".
Dennis Erickson
Dennis Erickson (born 1947, Everett, Washington) is an American football coach, College Football Hall of Fame 2019, who won national championships at Miami in 1989 and 1991, coached the Seahawks and 49ers, and went 179-96-1 in college.
Dennis F. Wilkie
Dennis F. Wilkie is an American control theorist at Ford Motor Company who led its electric vehicles segment and was elected to the National Academy of Engineering in 2000.
Dennis Farina
Dennis Farina (February 29, 1944 – July 22, 2013) was an American character actor and former Chicago police detective of 18 years, known for Lt. Mike Torello in Crime Story, Joe Fontana on Law & Order, and roles in Midnight Run, Get Shorty, Saving Private Ryan, and Snatch.
Dennis Farrar
Dennis B. Farrar is a Salt Lake City life-sciences founder who co-founded Sera Prognostics, a preterm-birth diagnostics company, in 2008 and served as its chairman and CEO.
Dennis Fenton
Dennis Fenton (1888–1954), Irish-born American Army marksman from Ballincota, Kerry; won 3 gold and 2 bronze Olympic shooting medals at Antwerp 1920 and Paris 1924 for the USA.
Dennis Ferrer
Dennis Ferrer is a New York house music producer and DJ active since the early 1990s, who co-founded the Sfere label and is known for "Sandcastles" and "Hey Hey".
Dennis Franz
Dennis Franz (Dennis Franz Schlachta), American actor born 1944 in Chicago; Organic Theater Company alumnus; played Norman Buntz on Hill Street Blues and Detective Andy Sipowicz on NYPD Blue (1993-2005), winning four Emmys; retired from acting in 2005.
Dennis G. Fryback
Dennis G. Fryback is an American health decision scientist and emeritus professor at the University of Wisconsin–Madison, elected to the National Academy of Medicine in 2000.
Dennis G. Hall
Dennis G. Hall (born 1968) is a Canadian organic chemist at the University of Alberta known for boron chemistry, especially organoboronic acids in catalysis and drug discovery.
Dennis G. Jacobs
Dennis G. Jacobs is an American jurist serving as a senior judge of the United States Court of Appeals for the Second Circuit since 2019.
Dennis G. Maki
Dennis George Maki, known as Dennis G. Maki, is an American infectious disease physician at the University of Wisconsin–Madison whose work underpins worldwide prevention of central-line bloodstream infections.
Dennis Gabor
Dennis Gabor (Gábor Dénes, 1900 to 1979) was a Hungarian-born British electrical engineer and physicist who won the 1971 Nobel Prize in Physics for inventing holography.
Dennis Gaitsgory
Dennis Gaitsgory (born 1973) is a mathematician at Harvard and the Max Planck Institute for Mathematics in Bonn, known for the geometric Langlands program.
Dennis Green
Dennis Green (Dennis Earl Green, 1949-2016), NFL head coach of the Minnesota Vikings 1992-2001 and Arizona Cardinals 2004-06; 113-94 record, 1998 Vikings 15-1 with 556-point NFL record season, Vikings Ring of Honor.
Dennis H. Wright
Dennis H. Wright, full name Dennis Howard Wright, was a British pathologist and world expert in lymphoma diagnosis, Foundation Professor of Pathology at Southampton from 1972 to 1996.
Dennis Hannon
Dennis Hannon is an American politician and 2026 Republican candidate for the U.S. House of Representatives in New York's 26th Congressional District, challenging incumbent Rep. Tim Kennedy.
Dennis Hart Mahan
Dennis Hart Mahan (1802–1871) was an American military engineer and West Point professor of civil and military engineering from 1832 to 1871, who wrote the first American books on fortifications and civil engineering.
Dennis Haskins
Dennis Haskins (1950-2026), American actor, played Principal Richard Belding across Good Morning, Miss Bliss, Saved by the Bell, and The New Class (1988-2000); also character roles in film and TV.
Dennis Hastert
Dennis Hastert (John Dennis Hastert), Illinois Republican, Speaker of the U.S. House 1999–2007 and longest-serving GOP Speaker; later imprisoned for banking violations tied to hush money and admitted sexual abuse of boys as a Yorkville wrestling coach; died 2026.