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Douglas DC-6

The Douglas DC-6, also known as the R6D Liftmaster, is a four-engine piston airliner Douglas built from 1946 to 1958, one of the last successful piston airliners.

Douglas DC-7

The Douglas DC-7 is an American four-engine piston airliner that in November 1953 became the first airliner to offer nonstop transcontinental service in both directions.

Douglas DC-8

The Douglas DC-8, also known as the McDonnell Douglas DC-8, is a four-engine jet airliner that Douglas built from 1958 to 1972 to compete with the Boeing 707.

Douglas Durst

Douglas Durst, born 1944, is an American real-estate executive who chairs the Durst Organization, led its expansion into Times Square, and helped develop One World Trade Center.

Douglas Dynamics

Douglas Dynamics is a Milwaukee, Wisconsin-based manufacturer of snow and ice control equipment and work truck attachments, founded in 1977 and parent of the WESTERN, FISHER, and SnowEx snowplow brands.

Douglas E. Soltis

Douglas E. Soltis, born in 1953, is an American plant biologist at the Florida Museum of Natural History known for work on flowering plant evolution and polyploidy.

Douglas Easton

Douglas F. Easton is a British genetic epidemiologist, Professor at the University of Cambridge, who characterized cancer predisposition genes like BRCA1 and created the BOADICEA risk prediction model.

Douglas Engelbart

Douglas Carl Engelbart (1925–2013) was an American computer scientist who invented the computer mouse, built the oN-Line System at SRI, and won the 1997 Turing Award.

Douglas F. Williams

Douglas F. Williams (born 1948) is an American geologist and Distinguished Professor Emeritus at the University of South Carolina, known for stable isotope work on foraminifera and Lake Baikal.

Douglas F3D Skyknight

The Douglas F3D Skyknight, later F-10 Skyknight, was a US Navy two-seat jet night fighter that scored the first jet night kill over Korea in 1952.

Douglas F4D Skyray

The Douglas F4D Skyray was a carrier-based all-weather interceptor built by Douglas for the US Navy and Marine Corps, serving from 1956 to 1964 and never seeing combat.

Douglas Fairbanks

Douglas Fairbanks (1883-1939), born Douglas Elton Ulman, American silent film star of swashbucklers like The Mark of Zorro and The Thief of Bagdad; cofounder of United Artists (1919) and first president of the Academy of Motion Picture Arts and Sciences.

Douglas Fairbanks Jr.

Douglas Fairbanks Jr. (1909-2000), son of silent star Douglas Fairbanks Sr., American actor in The Prisoner of Zenda, Gunga Din, and Sinbad the Sailor, decorated WWII Navy Beach Jumpers officer, honorary knight, and television producer.

Douglas fir

Douglas fir (Pseudotsuga menziesii), also called Oregon-pine or Douglas-spruce, is a major western North American timber conifer that is not a true fir; two varieties, coast and Rocky Mountain, range from 19° to 55° N.

Douglas Fregin

Douglas Fregin, also known as Doug Fregin, is a Canadian engineer who co-founded Research In Motion, the company behind the BlackBerry, and later the quantum investment firm Quantum Valley Investments.

Douglas G. Altman

Douglas G. Altman, also known as D. G. Altman, was a British medical statistician, professor at Oxford, and founder of the EQUATOR Network for better health research reporting.

Douglas G. Capone

Douglas G. Capone, also known as Douglas Capone, is an American oceanographer and USC professor known for research showing that marine microbes fix nitrogen in the open ocean.

Douglas Gale

Douglas Gale is a Canadian-born economist, Silver Professor of Economics at New York University, best known for the Allen–Gale theory of financial contagion, developed with Franklin Allen.

Douglas Gough

Douglas Owen Gough is a British astronomer at Cambridge who founded helioseismology, the study of the Sun's interior through its oscillations, and shared the 2024 Crafoord Prize in Astronomy.

Douglas Gowan

Douglas Gowan (c. 1942–2018) was a British NFU consultant and whistleblower who traced deformed livestock near Brofiscin and Maendy quarries in south Wales to Monsanto's PCB dumping, survived a 1970s corporate smear campaign, and gave a final testimony recorded by Michael Sheen.

Douglas Gresham

Douglas Gresham (born 1945, New York City) is C. S. Lewis's stepson, author of Lenten Lands and Jack's Life, co-producer of the 2005 Narnia film, and a custodian of the Lewis estate.

Douglas H. Erwin

Douglas H. Erwin, born 1958, is an American paleobiologist at the Smithsonian National Museum of Natural History known for work on the end-Permian mass extinction.

Douglas H. Ginsburg

Douglas H. Ginsburg, also known as Douglas Howard Ginsburg, is a senior judge of the U.S. Court of Appeals for the D.C. Circuit, appointed by Reagan in 1986.

Douglas H. Turner

Douglas H. Turner, born 1946, is an American chemist at the University of Rochester whose Turner rules let software predict RNA secondary structure from sequence alone.

Douglas Haig, 1st Earl Haig

Douglas Haig, 1st Earl Haig (1861-1928), British field marshal, Commander-in-Chief of the BEF in France and Flanders 1915-1918; directed the Somme and Passchendaele offensives and the 1918 Hundred Days victories; later Royal British Legion president.

Douglas Hanahan

Douglas Hanahan is an American cancer biologist best known for the "Hallmarks of Cancer" framework, and professor emeritus at EPFL in Lausanne and a Ludwig Institute Distinguished Scholar.

Douglas Harriman Kennedy

Douglas Harriman Kennedy (born 1967), American journalist, tenth child of Robert F. and Ethel Kennedy; Fox News Channel correspondent since 1996, host of Douglas Kennedy's American Stories, distinct from the novelist Douglas Kennedy.

Douglas Hartree

Douglas Hartree (1897–1958) was a British mathematician and physicist who created the self-consistent field method for atomic calculations, built a Meccano differential analyser, and championed early British computing.

Douglas Henderson (physicist)

Douglas Henderson was a Canadian-born physical chemist who co-developed the first successful theory of liquids and won the American Chemical Society's Hildebrand Award in 1999.

Douglas Henshall

Douglas Henshall, born 1965 in Glasgow, is a Scottish actor known as DI Jimmy Perez in BBC's Shetland (2013-2022), Nick Cutter in Primeval, and stage roles in The Coast of Utopia, Betrayal, and Mary.