You are using an outdated browser. Please upgrade your browser to improve your experience and security.
  • Dryden Flight Research Center (NASA center, California, United States)

    Vance Brand: …of positions, mainly at the Dryden Flight Research Center in Edwards, California, until his retirement in 2008.

  • Dryden, Hugh L. (American physicist)

    Hugh L. Dryden, American physicist and deputy administrator of the National Aeronautics and Space Administration (NASA) for seven years. Educated at Johns Hopkins University (Baltimore) in 1920, Dryden was named chief of the aerodynamics section of the National Bureau of Standards, Washington. He

  • Dryden, Hugh Latimer (American physicist)

    Hugh L. Dryden, American physicist and deputy administrator of the National Aeronautics and Space Administration (NASA) for seven years. Educated at Johns Hopkins University (Baltimore) in 1920, Dryden was named chief of the aerodynamics section of the National Bureau of Standards, Washington. He

  • Dryden, John (British author)

    John Dryden, English poet, dramatist, and literary critic who so dominated the literary scene of his day that it came to be known as the Age of Dryden. The son of a country gentleman, Dryden grew up in the country. When he was 11 years old the Civil War broke out. Both his father’s and mother’s

  • Dryden, John Fairfield (United States senator)

    John Fairfield Dryden, American senator and businessman, the founder of the Prudential Insurance Company of America, the first company to issue industrial life insurance in the United States. Dryden made a study, while attending Yale College (1861–65), of industrial, or “workingman’s,” insurance

  • Dryden, Spencer (American musician)

    Spencer Dryden, American drummer (born April 7, 1938, New York, N.Y.—died Jan. 11, 2005, Petaluma, Calif.), helped create the sound of the psychedelic rock band Jefferson Airplane during its heyday in the late 1960s. Dryden was enjoying a career as a jazz drummer in Los Angeles when he was hired t

  • dryer (laundry equipment)

    home appliance: Appliances for cleaning.: …automatic electric or gas clothes dryers (sometimes incorporated in a combination machine with an automatic washer) that were programmable by push button to supply either heat alone or hot or cold circulating air for a predetermined period or until the laundry inside was dry. Electric mangles and other ironing machines…

  • Dryer, Thomas J. (American publisher)

    The Oregonian: The paper’s first publisher, Thomas J. Dryer, was appointed by President Abraham Lincoln to be U.S. commissioner of the Sandwich Islands (later the Hawaiian Islands), and Dryer gave the paper to his typographer and printer, Henry Pittock, in lieu of back wages. The paper became a daily in 1861.

  • dryeration (agriculture)

    agricultural technology: Crop-processing machinery: In a process called dryeration, wet corn (maize) is placed in a batch or continuous dryer. After losing 10 to 12 percent of its moisture, the hot corn is transferred to the dryeration cooling bin, in which it is tempered for six to 10 hours and then slowly cooled…

  • Drygalski, Erich Dagobert von (German geographer)

    Erich Dagobert von Drygalski, German geographer and glaciologist who led an expedition to the Antarctic (1901–03) as part of an international program of exploration. Sailing in the Gauss under the sponsorship of the German government, Drygalski’s party landed on Antarctica at about 90° E, in the

  • drying oil (chemical compound)

    Drying oil, unsaturated fatty oil, either natural (such as linseed oil) or synthetic, that when spread into a thin film becomes hard, tough, and elastic upon exposure to the air. Drying oils are used as vehicles in paints, varnishes, and printing inks. In the 2nd century ad, the Greek physician

  • drying process (material processing)

    brick and tile: Drying: After the bricks are formed, they must be dried to remove as much free water as possible. (They could literally explode if subjected to fire without drying.) Drying, apart from sun drying, is done in drier kilns with controlled temperature, draft, and humidity.

  • drying process (food processing)

    food preservation: Dehydration: …the processing plant, pasteurization before drying, and storage conditions that protect from infection by dust, insects, and rodents or other animals.

  • dryland (ecology)

    desertification: …reduce the biological productivity of drylands (arid and semiarid lands). Declines in productivity may be the result of climate change, deforestation, overgrazing, poverty, political instability, unsustainable irrigation practices, or combinations of these factors. The concept does not refer to the physical expansion of existing deserts but rather to the various

  • dryland farming

    Dry farming, the cultivation of crops without irrigation in regions of limited moisture, typically less than 20 inches (50 centimetres) of precipitation annually. Dry farming depends upon efficient storage of the limited moisture in the soil and the selection of crops and growing methods that m

  • Drylands: A Book for the World’s Last Reader (work by Astley)

    Australian literature: Literature from 1970 to 2000: Astley’s later novels—Drylands: A Book for the World’s Last Reader (1999), for example—were increasingly concerned with the dominant, two-pronged problem in late 20th-century Australia: not only how to effect reconciliation between Aboriginal peoples and European Australians but also how to reconcile white Australians to the dark side…

  • Drymarchon corais (reptile)

    Indigo snake, (Drymarchon corais), docile, nonvenomous member of the family Colubridae found from the southeastern United States to Brazil. It is the largest snake in the United States—record length is 2.6 metres (8.5 feet)—and one of the largest of all colubrids. In the United States its colour is

  • Dryocopus martius (bird)

    woodpecker: … includes two well-known species: the black woodpecker (D. martius), which is some 46 cm (18 inches) long and is found in coniferous and beech woodlands of temperate Eurasia, and the pileated woodpecker (D. pileatus), which is some 40–47 cm (15.5–18.25 inches) in size and inhabits mature forests of much of…

  • Dryocopus pileatus (bird)

    woodpecker: …of temperate Eurasia, and the pileated woodpecker (D. pileatus), which is some 40–47 cm (15.5–18.25 inches) in size and inhabits mature forests of much of temperate North America.

  • Dryopidae (insect)

    coleopteran: Annotated classification: Family Dryopidae (long-toed water beetles) Small, downy; crawl on stream bottoms; few species; widely distributed. Family Elmidae (riffle beetles) Varied habitat; several hundred widely distributed species. Family Eulichadidae A few species in

  • dryopithecine (fossil primate genus)

    Dryopithecus, genus of extinct ape that is representative of early members of the lineage that includes humans and other apes. Although Dryopithecus has been known by a variety of names based upon fragmentary material found over a widespread area including Europe, Africa, and Asia, it appears

  • Dryopithecus (fossil primate genus)

    Dryopithecus, genus of extinct ape that is representative of early members of the lineage that includes humans and other apes. Although Dryopithecus has been known by a variety of names based upon fragmentary material found over a widespread area including Europe, Africa, and Asia, it appears

  • Dryopteridaceae (plant family)

    Dryopteridaceae, the shield fern family, containing 40–50 genera and about 1,700 species, in the division Pteridophyta (the lower vascular plants). Dryopteridaceae are distributed nearly worldwide but are most diverse in temperate regions and in mountainous areas in the tropics. Most species are

  • Dryopteris (fern genus)

    Shield fern, any of about 250 species of the fern genus Dryopteris, in the family Dryopteridaceae, with worldwide distribution. Shield ferns are medium-sized woodland plants with bright green, leathery leaves that are several times divided. They have numerous round spore clusters (sori) attached

  • drypoint (engraving)

    Drypoint, an engraving method in which the design to be printed is scratched directly into a copperplate with a sharply pointed instrument. Lines in a drypoint print are characterized by a soft fuzziness caused by ink printed from a burr, a rough ridge of metal thrown up on each side of the furrow

  • Drysdale, Don (American baseball player and broadcaster)

    Donald Scott Drysdale, ("BIG D"), U.S. baseball player and broadcaster (born July 23, 1936, Van Nuys, Calif.—died July 3, 1993, Montreal, Que.), as a star right-handed power pitcher for the Brooklyn (1956-58) and Los Angeles (1958-69) Dodgers, intimidated batters with his hopping fastball and t

  • Drysdale, Douglas B. (British military officer)

    Battle of the Chosin Reservoir: The Chinese strike: Douglas B. Drysdale, 41 Independent Commando, Royal Marines, in addition to service and headquarters troops, included a Marine infantry company, an army infantry company, and Drysdale’s British raiding battalion. The task force was ambushed en route. One-third of the force (tanks and infantry) fought through…

  • Drysdale, Russell (Australian painter and photographer)

    Russell Drysdale, English-born Australian figurative painter and photographer who was among the most representative of modern Australian painters and one of the first to become widely known outside his own country. His subject was often one or a few figures against a stark rural landscape.

  • Drysdale, Sir George Russell (Australian painter and photographer)

    Russell Drysdale, English-born Australian figurative painter and photographer who was among the most representative of modern Australian painters and one of the first to become widely known outside his own country. His subject was often one or a few figures against a stark rural landscape.

  • drywall (building material)

    Drywall, any of various large rigid sheets of finishing material used in drywall construction to face the interior walls of dwellings and other buildings. Drywall construction is the application of walls without the use of mortar or plaster. Drywall materials include plywood and wood pulp,

  • drywall construction

    Drywall construction, a type of construction in which the interior wall is applied in a dry condition without the use of mortar. It contrasts with the use of plaster, which dries after application. The materials used in drywall construction are gypsum board, plywood, fibre-and-pulp boards, and

  • Drzewiej (work by Orkan)

    W?adys?aw Orkan: Drzewiej (1912; “In the Old Days”) lyrically describes the life of the Tatra region’s first settlers. Listy ze wsi, 2 vol. (1925–27; “Letters from a Village”), contains sociological reflections on Poland’s immediate condition and the country’s prospects.

  • Dr?i?, Marin (Croatian author)

    Croatian literature: …first South Slav secular play; Marin Dr?i?, who wrote pastoral dramas and comedies portraying Renaissance Dubrovnik (his comedy Dundo Maroje, first performed about 1551, played throughout western Europe); and poet Petar Hektorovi?. In the 17th and 18th centuries the leading voice belonged to Ivan Gunduli?, author of a stirring epic,…

  • Ds (chemical element)

    Darmstadtium (Ds), artificially produced transuranium element of atomic number 110. In 1995 scientists at the Institute for Heavy Ion Research (Gesellschaft für Schwerionenforschung [GSI]) in Darmstadt, Germany, announced the formation of atoms of element 110 when lead-208 was fused with nickel-62.

  • DS (political party, Italy)

    Democrats of the Left, former Italian political party and historically western Europe’s largest communist party. The party was originally founded in January 1921 as the Italian Communist Party (Partito Comunista Italiano; PCI) by dissidents of the extreme left wing of the Italian Socialist Party

  • DSA (medicine)

    angiography: A technique called digital subtraction angiography (DSA) is particularly useful in diagnosing arterial occlusion (blockage). For example, it can be used to identify constriction (stenosis) of the carotid artery or clot formation (thrombosis) in a pulmonary artery. It also can be used to detect renal vascular disease. After…

  • Dschang (Cameroon)

    Dschang, town located in northwestern Cameroon. It is situated on a forested plateau northwest of Yaoundé. Dshang’s high elevation of 4,525 feet (1,379 metres) makes the town a health and tourist resort, despite communications difficulties caused by rugged terrain and high levels of precipitation.

  • DSDP (international scientific effort)

    Antarctica: The surrounding seas: As part of the Deep Sea Drilling Project conducted from 1968 to 1983 by the U.S. government, the drilling ship Glomar Challenger undertook several cruises of Antarctic and subantarctic waters to gather and study materials on and below the ocean floor. Expeditions included one between Australia and the Ross…

  • DShK-38 (weapon)

    small arm: Large-calibre machine guns: …the Degtyarov-Shpagin Krupnokaliberny 1938 (DShK-38), was similar, but it was gas-operated. It went into wide use in Soviet-supplied countries. Both of these weapons, as well as their successors (such as the Soviets’ Nikitin-Sokolov-Volkov, or NSV, machine gun), were used by infantry units on wheeled or tripod mounts, but they…

  • DSK (French economist and politician)

    Dominique Strauss-Kahn, French economist and politician who served (2007–11) as managing director of the International Monetary Fund (IMF)—the United Nations agency that helps maintain a stable global system of currency exchange and promotes balanced economic growth. Strauss-Kahn was raised in

  • DSL (networking technology)

    DSL, networking technology that provides broadband (high-speed) Internet connections over conventional telephone lines. DSL technology has its roots in work done by Bell Communications Research, Inc., in the late 1980s to explore the feasibility of sending broadband signals over the American

  • DSM (Dutch company)

    DSM, state-owned Dutch chemical company. Until 1975 the company was known as DSM NV Nederlandse Staatsmijnen (the Dutch State Mine Company). The major shareholder is the Netherlands government. Headquarters are in Heerlen, Neth. Following World War II, the chemical industry was one of the

  • DSM (publication)

    Diagnostic and Statistical Manual of Mental Disorders (DSM), publication of the American Psychiatric Association detailing diagnostic criteria for hundreds of psychiatric disorders. The manual is the standard resource of the mental health industry in the United States and is widely used by mental

  • DSM Limited Company (Dutch company)

    DSM, state-owned Dutch chemical company. Until 1975 the company was known as DSM NV Nederlandse Staatsmijnen (the Dutch State Mine Company). The major shareholder is the Netherlands government. Headquarters are in Heerlen, Neth. Following World War II, the chemical industry was one of the

  • DSM NV Nederlandse Staatsmijnen (Dutch company)

    DSM, state-owned Dutch chemical company. Until 1975 the company was known as DSM NV Nederlandse Staatsmijnen (the Dutch State Mine Company). The major shareholder is the Netherlands government. Headquarters are in Heerlen, Neth. Following World War II, the chemical industry was one of the

  • DSM-5: The New ‘Bible of Psychiatry’

    On May 18, 2013, the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) was published by the American Psychiatric Association (APA), a national medical group whose membership of psychiatric physicians numbers more than 36,000. The DSM-5, the result of more than a

  • DSO (American orchestra)

    Itzhak Perlman: …principal guest conductor with the Detroit Symphony from 2001 to 2005 and was music adviser of the St. Louis (Missouri) Symphony from 2002 to 2004. Perlman was also a teacher, regularly giving violin master classes and cofounding in 1998 (with his wife, Toby) the Perlman Music Program to encourage gifted…

  • DSOC (American organization)

    Michael Harrington: Shift to Trotskyism and The Other America: … and after 1972 through the Democratic Socialist Organizing Committee (DSOC). Both organizations were meant to develop into powerful democratic socialist havens that could attract student activists to nonmilitant social politics and ideologically redirect the Democratic Party.

  • Dsongar (people)

    Dzungar, people of Central Asia, so called because they formed the left wing (dson, “left”; gar, “hand”) of the Mongol army. A western Mongol people whose home was the Ili River valley and Chinese Turkistan, they adopted Buddhism in the 17th century. They are for all practical purposes identical

  • DSP (computer science)

    information processing: Recording techniques: …accomplished by means of a digital signal processor (DSP) chip, a special-purpose device built into the computer to perform array-processing operations. Conversion of analog audio signals to digital recordings is a commonplace process that has been used for years by the telecommunications and entertainment industries. Although the resulting digital sound…

  • DSP (political party, Japan)

    Democratic Socialist Party, former Japanese political party that was formed in 1960 by moderate socialists who had broken away from the Japan Socialist Party the year before because of its alleged Marxist dogmatism and its definition of itself as a “class” party. The party traditionally was

  • dsRNA (biochemistry)

    RNA interference: …introducing short double-stranded RNA (dsRNA) segments into the cells of nematodes (Caenorhabditis elegans). The dsRNA segments underwent enzymatic processing that enabled them to attach to molecules of messenger RNA (mRNA) possessing complementary nucleotide sequences. The attachment of the two RNAs inhibited the translation of the mRNA molecules into proteins

  • DSS (industrial engineering)

    information system: Decision support systems and business intelligence: …decision making, however indirectly, but decision support systems are expressly designed for this purpose. As these systems are increasingly being developed to analyze massive collections of data (known as big data), they are becoming known as business intelligence, or business analytics, applications. The two principal varieties of decision support systems…

  • DST (French intelligence agency)

    intelligence: France: The DST (Directorate of Territorial Security), a third important member of the French intelligence system, is responsible for internal security, playing a role similar to that of the American FBI. It is controlled by the Ministry of the Interior.

  • DT (vaccine)

    infectious disease: Diphtheria toxoid: …with tetanus toxoid alone (DT), and combined with tetanus toxoid for adults (Td). The Td preparation contains only 15 to 20 percent of the diphtheria toxoid present in the DPT vaccine and is more suitable for use in older children and adults.

  • DTA (chemistry)

    Differential thermal analysis (DTA), in analytical chemistry, a technique for identifying and quantitatively analyzing the chemical composition of substances by observing the thermal behaviour of a sample as it is heated. The technique is based on the fact that as a substance is heated, it

  • DTD (computer science)

    computer programming language: SGML: SGML is used to specify DTDs (document type definitions). A DTD defines a kind of document, such as a report, by specifying what elements must appear in the document—e.g., <Title>—and giving rules for the use of document elements, such as that a paragraph may appear within a table entry but…

  • DTMF (telephone)

    telephone: Push-button dialing: …on a concept known as dual-tone multifrequency (DTMF). The 10 dialing digits (0 through 9) are assigned to specific push buttons, and the buttons are arranged in a grid with four rows and three columns. The pad also has two more buttons, bearing the star (*) and pound (#) symbols,…

  • dTMP (chemical compound)

    metabolism: Deoxyribonucleotides: Deoxythymidylic acid (dTMP) is derived from deoxyuridylic acid (dUMP).

  • DTRA (United States government agency)

    Defense Threat Reduction Agency (DTRA), agency within the United States Department of Defense charged with protecting the United States and its allies from the threat of weapons of mass destruction (WMDs), such as chemical, biological, radiological, and nuclear weapons, and high-yield explosives.

  • DTs (medicine)

    Delirium tremens (DTs), delirium seen in severe cases of alcohol withdrawal (see alcoholism) complicated by exhaustion, lack of food, and dehydration, usually preceded by physical deterioration due to vomiting and restlessness. The whole body trembles, sometimes with seizures, disorientation, and

  • du Aime, Albert William (American author)

    William Wharton, American novelist and painter best known for his innovative first novel, Birdy (1979; filmed 1984), a critical and popular success. Wharton spent his youth in Philadelphia. He joined the army upon graduating from high school and was severely wounded in the Battle of the Bulge

  • Du Barry Was a Lady (film by Del Ruth [1943])

    Roy Del Ruth: Middle years: Du Barry Was a Lady (1943), with Lucille Ball and Red Skelton, had great potential—the original stage version was a huge success on Broadway—but Metro-Goldwyn-Mayer cut most of Cole Porter’s score, limiting the film’s appeal. Del Ruth’s two films from 1944, Broadway Rhythm and Barbary…

  • Du Barry, Madame (mistress of Louis XV of France)

    Jeanne Bécu, countess du Barry, last of the mistresses of the French king Louis XV (reigned 1715–74). Although she exercised little political influence at the French court, her unpopularity contributed to the decline of the prestige of the crown in the early 1770s. She was born Marie-Jeanne Bécu,

  • du Bellay, Joachim (French poet)

    Joachim du Bellay, French poet, leader with Pierre de Ronsard of the literary group known as La Pléiade. Du Bellay is the author of the Pléiade’s manifesto, La Défense et illustration de la langue fran?aise (The Defence & Illustration of the French Language). Du Bellay was born into a noble family

  • Du Bois, W. E. B. (American sociologist and social reformer)

    W.E.B. Du Bois, American sociologist, historian, author, editor, and activist who was the most important black protest leader in the United States during the first half of the 20th century. He shared in the creation of the National Association for the Advancement of Colored People (NAACP) in 1909

  • Du Bois, William Edward Burghardt (American sociologist and social reformer)

    W.E.B. Du Bois, American sociologist, historian, author, editor, and activist who was the most important black protest leader in the United States during the first half of the 20th century. He shared in the creation of the National Association for the Advancement of Colored People (NAACP) in 1909

  • du Bois, William Pène (American author)

    William Pène du Bois, American author and illustrator of children’s books noted for his comic coterie of peculiar characters. In 1948 he was awarded the Newbery Medal for The Twenty-One Balloons (1947). Born into a family of artists, du Bois studied art in France and published books for children

  • du Bois, William Pène Sherman (American author)

    William Pène du Bois, American author and illustrator of children’s books noted for his comic coterie of peculiar characters. In 1948 he was awarded the Newbery Medal for The Twenty-One Balloons (1947). Born into a family of artists, du Bois studied art in France and published books for children

  • Du Bois-Reymond, Emil Heinrich (German physiologist)

    Emil Heinrich Du Bois-Reymond, German founder of modern electrophysiology, known for his research on electrical activity in nerve and muscle fibres. Working at the University of Berlin (1836–96) under Johannes Müller, whom he later succeeded as professor of physiology (1858), Du Bois-Reymond

  • Du Bos, Charles (French critic)

    Charles Du Bos, French critic of French and English literature whose writings on William Shakespeare, Percy Bysshe Shelley, and Lord Byron helped turn French attention toward English literature. Because his mother was English, Du Bos was exposed to English literature at an early age. He studied at

  • Du Buat, Pierre-Louis-Georges (French engineer)

    Pierre-Louis-Georges Du Buat, French hydraulic engineer who derived formulas for computing the discharge of fluids from pipes and open channels. Educated in Paris, Du Buat served as a military engineer from 1761 to 1791. In his writings, he compiled a wealth of experimental data from which he

  • Du calcul de l’effet des machines (work by Coriolis)

    Gustave-Gaspard Coriolis: …in his first major book, Du calcul de l’effet des machines (1829; “On the Calculation of Mechanical Action”), in which he attempted to adapt theoretical principles to applied mechanics.

  • Du Camp, Maxime (French writer and photographer)

    Maxime Du Camp, French writer and photographer who is chiefly known for his vivid accounts of 19th-century French life. He was a close friend of the novelist Gustave Flaubert. An outgoing, adventurous man, Du Camp also pioneered in photography and published works in virtually every literary genre.

  • Du Casse, Pierre-Emmanuel-Albert, Baron (French historian)

    Pierre-Emmanuel-Albert, baron du Casse, French soldier and military historian who was the first editor of the correspondence of Napoleon. In 1849 Du Casse was commissioned by Prince Jér?me Bonaparte, formerly king of Westphalia, to write a history of one of his commands. On completion of that work,

  • Du contrat social (work by Rousseau)

    Jean-Jacques Rousseau: Major works of political philosophy: …book, Du Contrat social (1762; The Social Contract), to suggest how they might recover their liberty in the future. Again Geneva was the model: not Geneva as it had become in 1754 when Rousseau returned there to recover his rights as a citizen, but Geneva as it had once been—i.e.,…

  • Du contrat social: Ou, principes du droit politique (work by Rousseau)

    Jean-Jacques Rousseau: Major works of political philosophy: …book, Du Contrat social (1762; The Social Contract), to suggest how they might recover their liberty in the future. Again Geneva was the model: not Geneva as it had become in 1754 when Rousseau returned there to recover his rights as a citizen, but Geneva as it had once been—i.e.,…

  • Du c?té de chez Proust (drama by Malaparte)

    Curzio Malaparte: …lives of Marcel Proust (Du c?té de chez Proust, performed 1948) and Karl Marx (Das Kapital, performed 1949) and on life in Vienna during the Soviet occupation (Anche le donne hanno perso la guerra, performed 1954; “The Women Lost the War Too”). He also wrote the screenplay for a…

  • Du c?té de chez Swann (novel by Proust)

    acting: Stanislavsky’s contribution: …in a long passage in Swann’s Way, brilliantly described the working of affective memory and illustrated precisely the way in which it can be recalled. Instances of its presence can be multiplied from all the arts—literary, visual, or musical. But, though in the other arts it can function unconsciously, the…

  • Du Fay, Charles Fran?ois de Cisternay (French chemist)

    thermionic power converter: Development of thermionic devices: …early as the mid-18th century, Charles Fran?ois de Cisternay Du Fay, a French chemist, noted that electricity may be conducted in the gaseous matter—that is to say, plasma—adjacent to a red-hot body. In 1853 the French physicist Alexandre-Edmond Becquerel reported that only a few volts were required to drive electric…

  • Du Fayt, Guillaume (Franco-Flemish composer)

    Guillaume Dufay, Franco-Flemish composer noted for both his church music and his secular chansons. Dufay became a chorister at the Cambrai cathedral (1409), entered the service of Carlo Malatesta of Rimini in 1420, and in 1428 went to Rome, where he joined the papal singers. In 1436 he became a

  • Du Fresnoy, Charles-Alphonse (French painter and writer)

    Charles-Alphonse Du Fresnoy, French painter and writer on art whose Latin poem De arte graphica (1668) had great influence on the aesthetic discussions of the day. It remained in print continuously into the 19th century. Du Fresnoy studied painting with Simon Vouet. At age 21 he went to Rome, and

  • Du Fu (Chinese poet)

    Du Fu, Chinese poet, considered by many literary critics to be the greatest of all time. Born into a scholarly family, Du Fu received a traditional Confucian education but failed in the imperial examinations of 735. As a result, he spent much of his youth traveling. During his travels he won renown

  • Du Gongbu (Chinese poet)

    Du Fu, Chinese poet, considered by many literary critics to be the greatest of all time. Born into a scholarly family, Du Fu received a traditional Confucian education but failed in the imperial examinations of 735. As a result, he spent much of his youth traveling. During his travels he won renown

  • Du Guangting (Taoist scholar)

    Tu Kuang-t’ing, Taoist scholar of the T’ang period who contributed to the development of Taoist liturgical ritual and the blending of the T’ien-shih and Ling-pao scriptures. His ideas on Taoist ritual were especially influential in the articulation of the common Taoist “fasting,” or chia, rites a

  • Du Luth, Daniel Greysolon, Sieur (French soldier and explorer)

    Daniel Greysolon, Sieur DuLhut, French soldier and explorer who was largely responsible for establishing French control over the country north and west of Lake Superior. The city of Duluth, Minn., was named for him. DuLhut became an ensign in the regiment at Lyon in 1657, and about 1665 he became

  • Du m? ikke sove! (poem by Overland)

    Arnulf ?verland: …best-known of these is “Du m? ikke sove!” (“You Must Not Sleep!”), published in 1936 in a journal founded by his friend the Austrian psychologist Wilhelm Reich. The poem was later included in ?verland’s collection Den r?de front (1937; “The Red Front”). The poems that ?verland directed against the…

  • du Maurier, Daphne (British writer)

    Daphne du Maurier, English novelist and playwright, daughter of actor-manager Sir Gerald du Maurier, best known for her novel Rebecca (1938). Du Maurier’s first novel, The Loving Spirit (1931), was followed by many successful, usually romantic tales set on the wild coast of Cornwall, where she came

  • du Maurier, George (British author and caricaturist)

    George du Maurier, British caricaturist whose illustrations for Punch were acute commentaries on the Victorian scene. He also wrote three successful novels. Du Maurier’s happy childhood at Passy, France, is recalled in Peter Ibbetson (1891), and his full-blooded enjoyment of student life in the

  • du Maurier, George Louis Palmella Busson (British author and caricaturist)

    George du Maurier, British caricaturist whose illustrations for Punch were acute commentaries on the Victorian scene. He also wrote three successful novels. Du Maurier’s happy childhood at Passy, France, is recalled in Peter Ibbetson (1891), and his full-blooded enjoyment of student life in the

  • du Maurier, Gerald (British actor)

    Sir Gerald du Maurier, actor-manager, the chief British exponent of a delicately realistic style of acting that sought to suggest rather than to state the deeper emotions. A son of the artist and novelist George du Maurier, he won immense popularity, but the fact that he presented characters in

  • du Maurier, Sir Gerald Hubert Edward Busson (British actor)

    Sir Gerald du Maurier, actor-manager, the chief British exponent of a delicately realistic style of acting that sought to suggest rather than to state the deeper emotions. A son of the artist and novelist George du Maurier, he won immense popularity, but the fact that he presented characters in

  • Du Mont, Allen B. (American engineer and inventor)

    Allen B. DuMont, American engineer who perfected the first commercially practical cathode-ray tube, which was not only vitally important for much scientific and technical equipment but was the essential component of the modern television receiver. DuMont joined the Westinghouse Lamp Company,

  • Du Parc, Thérèse (French actress)

    Jean Racine: Life: …even seduced Molière’s leading actress, Thérèse du Parc, into joining him personally and professionally—and from this point onward all of Racine’s secular tragedies would be presented by the actors of the H?tel de Bourgogne.

  • Du Pont Company (American company)

    DuPont Company, American corporation engaged primarily in biotechnology and the manufacture of chemicals and pharmaceuticals. The company was founded by éleuthère Irénée du Pont (1771–1834) in Delaware in 1802 to produce black powder and later other explosives, which remained the company’s main

  • du Pont family (American family)

    Du Pont Family, French-descended American family whose fortune was founded on explosive powders and textiles and who diversified later into other areas of manufacturing. Pierre-Samuel du Pont (q.v.), born in Paris, was one of the main writers of the physiocratic school of economics. His sons

  • Du Pont Highway (highway, Delaware, United States)

    Delaware: Agriculture: The construction of the Du Pont Highway (the first north-south highway to extend through the state [built 1911–23], the brainchild of T. Coleman du Pont) through rural southern Delaware brought profound changes to the agriculture of that area. In the early 1920s farmers in Sussex county discovered the profitability…

  • du Pont, Eleuthère Irénée (American industrialist)

    Delaware: Economic development in the 19th century: …and the West Indies; and E.I. du Pont, a Frenchman trained by Antoine-Laurent Lavoisier in chemistry and powder making, established the country’s largest and best black powder factory north of Wilmington on the Brandywine Creek in 1802. Textiles, tobacco, and the first continuous-roll paper mill in the country were also…

  • du Pont, Henry (American industrialist)

    du Pont Family: …in a traditional manner, and Henry du Pont (1812–89), who proved more vigorously enterprising. Though a graduate of West Point (1833), Henry left the army a year later and joined the family business, heading the company during the great period from 1850 to 1889 and expanding its activities especially after…

  • du Pont, Henry Algernon (American industrialist and politician)

    du Pont Family: One of his sons, Henry Algernon du Pont (1838–1926), was a graduate of West Point and a Medal of Honor winner in the Civil War; he entered the family business in 1878 and pushed for its incorporation in 1899. Retiring in 1902, he was U.S. senator from Delaware from…

Check out Britannica's new site for parents!
Subscribe Today!
色色影院-色色影院app下载