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  • Levitt, Theodore (American economist)

    Theodore Levitt, German-born American economist (born March 1, 1925, Vollmerz, Ger.—died June 28, 2006, Belmont, Mass.), popularized the term globalization with the widely read article “The Globalization of Markets,” which appeared in the Harvard Business Review in 1983. A professor at the H

  • Levitt, William Jaird (American builder and developer)

    William Jaird Levitt, U.S. builder and developer (born Feb. 11, 1907, New York, N.Y.—died Jan. 28, 1994, Manhasset, N.Y.), as the pioneering president of Levitt & Sons, Inc., dramatically altered the U.S. residential suburban landscape with single-family, mass-produced, 74-sq m (800-sq ft) homes. H

  • Levittown (Pennsylvania, United States)

    Levittown, extensive, unincorporated suburban housing development in Bucks county, eastern Pennsylvania, U.S., near the big bend of the Delaware River, approximately midway between Philadelphia and Trenton, New Jersey. It was built between 1951 and 1958 by Levitt & Sons, Inc., who repeated there

  • Levittown (New Jersey, United States)

    Willingboro, township, Burlington county, western New Jersey, U.S. It lies midway between Camden and Trenton (both in New Jersey) on Rancocas Creek, just upstream from the creek’s mouth in the Delaware River. English Quakers settled there about 1677. The community, which originally included what is

  • Levittown (New York, United States)

    Levittown, unincorporated residential community in Hempstead town (township), Nassau county, western Long Island, New York, U.S. Developed between 1946 and 1951 by the firm of Levitt and Sons, Inc., Levittown was an early example of a completely preplanned and mass-produced housing complex. More

  • Levitzky, Sara (Russian-American actress)

    Sara Adler, Russian-born American actress, one of the most celebrated figures in the American Yiddish theatre. Sara Levitzky was born of a well-to-do Jewish family. She studied singing at the Odessa Conservatory for a time and then joined a Yiddish theatre troupe managed by Maurice Heine, whom she

  • Lévka Mountains (mountains, Greece)

    Lefká Mountains, highest and most precipitous massif in western Crete (Modern Greek: Kríti), located a few miles south of the Cretan capital, Chaniá, in the nomós (department) of Chaniá, Greece. The limestone peaks have been hollowed out by erosion into high plains such as the Omalós (1,650–3,300

  • Levkádhia (island, Greece)

    Leucas, Greek island in the Ionian Sea (Modern Greek: Ióvio Pélagos). It constitutes a dímos (municipality) and with the island of Meganísi forms the perifereiakí enótita (regional unit) of Levkás in the Ionian Islands (Iónia Nisiá) periféreia (region), western Greece. The 117-square-mile

  • Levkás (island, Greece)

    Leucas, Greek island in the Ionian Sea (Modern Greek: Ióvio Pélagos). It constitutes a dímos (municipality) and with the island of Meganísi forms the perifereiakí enótita (regional unit) of Levkás in the Ionian Islands (Iónia Nisiá) periféreia (region), western Greece. The 117-square-mile

  • Levkás (Greece)

    Leucas: The chief town, Levkás, lies at the northeastern corner, which in antiquity was separated by a marshy isthmus. It was formerly called Amaxíkhi or Santa Maura; the latter is also the Venetian name for the island. Most of the population inhabit the wooded east coast and its valleys.

  • Levn?, Abdülcelil (Ottoman painter)

    Abdülcelil Levn?, the most accomplished and famous Ottoman painter of the early 18th-century “Tulip Period.” He went as a young man to Constantinople, where he studied at the academy of painting at the Topkap? Palace. He later became chief court painter to the Ottoman sultan Mustafa II, and he

  • Levo-Dromoran (drug)

    drug use: Opium, morphine, heroin, and related synthetics: …comparable to morphine in potency; levorphanol (Levo-Dromoran) is an important synthetic with five times the potency of morphine. These synthetics exhibit a more favourable tolerance factor than the more potent of the opiates, but in being addictive they fall short of an ideal analgesic. Of this entire series, codeine has…

  • levodopa (chemical compound)

    Levodopa, Organic compound (L-3,4-dihydroxyphenylalanine) from which the body makes dopamine, a neurotransmitter deficient in persons with parkinsonism. When given orally in large daily doses, levodopa can lessen the effects of the disease. However, it becomes less effective over time and causes

  • levohyoscyamine (chemical compound)

    atropine: …mixture of D- and L-hyoscyamine in plants such as belladonna, henbane (Hyoscyamus niger), jimsonweed (Datura stramonium), the mandrake Mandragora officinarum, and Scopolia, all of the family Solanaceae. Atropine forms a series of well-crystallized salts, of which the sulfate is principally used in medicine. Both atropine and

  • Levon I (king of Armenia)

    Levon I, king of Armenia (reigned 1199–1219), who rallied the Armenians after their dispersion by the Seljuq Turks and consolidated the kingdom in Cilicia, southeastern Asia Minor. Through his friendly relations with the German emperors Frederick I Barbarossa and Henry VI, he was crowned by Pope

  • Levon the Great (king of Armenia)

    Levon I, king of Armenia (reigned 1199–1219), who rallied the Armenians after their dispersion by the Seljuq Turks and consolidated the kingdom in Cilicia, southeastern Asia Minor. Through his friendly relations with the German emperors Frederick I Barbarossa and Henry VI, he was crowned by Pope

  • levonorgestrel (hormone)

    Levonorgestrel, synthetic progestogen (any progestational steroid, such as progesterone) that is used as a form of contraception in women. Levonorgestrel is the mirror compound (enantiomer) of norgestrel, which was synthesized in the early 1960s by American scientist Herschel Smith at the

  • levorotatory

    optical activity: …a negative specific rotation is levorotatory, designated by the prefix l or (-).

  • levorphanol (drug)

    drug use: Opium, morphine, heroin, and related synthetics: …comparable to morphine in potency; levorphanol (Levo-Dromoran) is an important synthetic with five times the potency of morphine. These synthetics exhibit a more favourable tolerance factor than the more potent of the opiates, but in being addictive they fall short of an ideal analgesic. Of this entire series, codeine has…

  • LeVox, Gary (American musician)

    Rascal Flatts: The members were lead vocalist Gary LeVox (original name Gary Wayne Vernon, Jr.; b. July 10, 1970, Columbus, Ohio, U.S.), bassist Jay DeMarcus (in full Stanley Wayne DeMarcus, Jr.; b. April 26, 1971, Columbus), and guitarist Joe Don Rooney (b. September 13, 1975, Baxter Springs, Kansas).

  • Levski, Vasil (Bulgarian revolutionary)

    Vasil Levski, Bulgarian revolutionary leader in the struggle for liberation of Bulgaria from Ottoman rule. Initially a monk (1858–64), Vasil Kunchev soon dedicated himself to the work of freeing Bulgaria and for his courage was nicknamed Levski (“Lionlike”). Levski united the two legions of

  • Levuka (Fiji)

    Levuka, port town on the east coast of Ovalau island and capital of Lomaiviti province, central Fiji, South Pacific. Settled by a U.S. adventurer in 1822, the area was the centre of a cotton boom during the American Civil War (1861–65), when world cotton supplies were disrupted. Levuka was chosen

  • Levy Cardoso, Waldemar (Brazilian army officer)

    Waldemar Levy Cardoso, Brazilian army officer (born Dec. 4, 1900, Rio de Janeiro, Braz.—died May 13, 2009, Rio de Janeiro), was Brazil’s last surviving field marshal. As a junior officer he was involved in the revolution of 1930, which installed Getúlio Vargas as president of the country. During

  • Levy, Barbara (United States senator)

    Barbara Boxer, American politician whose ardent support for myriad progressive causes, including environmentalism and reproductive rights, while representing California as a Democrat in the U.S. House of Representatives (1983–93) and Senate (1993–2017) contributed to her reputation as one of

  • Levy, Bernard-Henri (French philosopher, journalist, filmmaker, and public intellectual)

    Bernard-Henri Lévy, French philosopher, journalist, filmmaker, and public intellectual who was a leading member of the Nouveaux Philosophes (New Philosophers). Lévy spent his childhood in Morocco and France, where his family finally settled in 1954. His father was the wealthy founder of a timber

  • Levy, Burton (American composer)

    Burton Lane, American composer (born Feb. 2, 1912, New York, N.Y.—died Jan. 5, 1997, New York), created melodies for musical stage shows and motion pictures for more than 50 years. Though he was not the best known of show business composers, his songs graced a number of popular and highly r

  • Levy, David (Israeli politician)

    David Levy, Israeli politician, who was a leader of Israel’s Sephardic Jews and who held numerous government offices. After attending primary and secondary schools in Morocco, Levy emigrated to Israel with his family in 1957. When he was in his 20s, Levy decided that politics, particularly the

  • Levy, David H. (Canadian astronomer and science writer)

    David H. Levy, Canadian astronomer and science writer who discovered—along with Carolyn Shoemaker and Eugene Shoemaker—the fragmented comet Shoemaker-Levy 9 in 1993. Levy developed an interest in astronomy at an early age, but in college he studied English literature, receiving a bachelor’s degree

  • Levy, Edward (British newspaper editor and proprietor)

    Edward Levy-Lawson, 1st Baron Burnham, English newspaper proprietor who virtually created the London Daily Telegraph. He was educated at University College school. His father, Joseph Moses Levy, acquired the Daily Telegraph and Courier in 1855, a few months after it was founded by Colonel Sleigh.

  • Levy, Elias (French composer)

    Fromental Halévy, French composer whose five-act grand opera La Juive (1835; “The Jewess”) was, with Giacomo Meyerbeer’s Les Huguenots, the prototype of early French grand opera. Halévy studied at the Paris Conservatoire from the age of 10 and won the Prix de Rome in 1819 for his cantata Herminie.

  • Levy, Jerre (American psychologist)

    human intelligence: Hemispheric studies: …brain’s two hemispheres, the psychologist Jerre Levy and others found that the left hemisphere is superior in analytical tasks, such as are involved in the use of language, while the right hemisphere is superior in many forms of visual and spatial tasks. Overall, the right hemisphere tends to be more…

  • Levy, Joseph Moses (British journalist)

    Joseph Moses Levy, English newspaperman, founder of the London newspaper Daily Telegraph. Levy was educated at Bruce Castle school and in Germany. He acquired a printing shop on Fleet Street in London and, in 1855, became proprietor of the Sunday Times (which he kept for a year) and the Daily

  • Levy, Julien (American art dealer)

    Julien Levy, American art dealer, who was known for launching the careers of some of the most significant artists of the 20th century and whose gallery exhibited the Surrealists in New York City for the first time. Levy came from a prominent Jewish family with roots in the rabbinate, politics, and

  • Levy, Julien Sampson (American art dealer)

    Julien Levy, American art dealer, who was known for launching the careers of some of the most significant artists of the 20th century and whose gallery exhibited the Surrealists in New York City for the first time. Levy came from a prominent Jewish family with roots in the rabbinate, politics, and

  • Levy, Louis (American inventor)

    photoengraving: The halftone process: Two brothers, Max and Louis Levy, of Philadelphia, in 1890 produced the first commercial halftone screens. The Levy brothers coated selected plates of high-quality optical glass with a lacquer, in which parallel lines were cut. The ruled lines were then etched with hydrofluoric acid and filled with an opaque…

  • Levy, Marion (American sociologist)

    sociology: Social stratification: Addressing the contemporary world, Marion Levy theorized in Modernization and the Structures of Societies (1960) that underdeveloped nations would inevitably develop institutions that paralleled those of the more economically advanced nations, which ultimately would lead to a global convergence of societies. Challenging the theory as a conservative defense of…

  • Levy, Max (American inventor)

    photoengraving: The halftone process: Two brothers, Max and Louis Levy, of Philadelphia, in 1890 produced the first commercial halftone screens. The Levy brothers coated selected plates of high-quality optical glass with a lacquer, in which parallel lines were cut. The ruled lines were then etched with hydrofluoric acid and filled with…

  • Lévy, Paul (French mathematician)

    Paul Lévy, French mining engineer and mathematician noted for his work in the theory of probability. After serving as a professor at the école des Mines de Saint-étienne, Paris, from 1910 to 1913, Lévy joined the faculty (1914–51) of the école Nationale Supérieure des Mines, Paris. He also taught

  • Lévy, Paul-Pierre (French mathematician)

    Paul Lévy, French mining engineer and mathematician noted for his work in the theory of probability. After serving as a professor at the école des Mines de Saint-étienne, Paris, from 1910 to 1913, Lévy joined the faculty (1914–51) of the école Nationale Supérieure des Mines, Paris. He also taught

  • Levy, Pauline Marion Goddard (American actress)

    Paulette Goddard, American actress known for her spirited persona and for her association with Charlie Chaplin. Goddard worked as a fashion model in her early teens, and at age 16 she appeared as a chorus girl in the Broadway revue No Foolin’. Within the next four years, she married, divorced, and

  • Lévy-Bruhl, Lucien (French philosopher)

    Lucien Lévy-Bruhl, French philosopher whose study of the psychology of primitive peoples gave anthropology a new approach to understanding irrational factors in social thought and primitive religion and mythology. Lévy-Bruhl was professor of philosophy at the Sorbonne from 1899 to 1927. His first

  • Levy-Lawson, 1st Baronet, Sir Edward (British newspaper editor and proprietor)

    Edward Levy-Lawson, 1st Baron Burnham, English newspaper proprietor who virtually created the London Daily Telegraph. He was educated at University College school. His father, Joseph Moses Levy, acquired the Daily Telegraph and Courier in 1855, a few months after it was founded by Colonel Sleigh.

  • Levy-Lawson, Edward (British newspaper editor and proprietor)

    Edward Levy-Lawson, 1st Baron Burnham, English newspaper proprietor who virtually created the London Daily Telegraph. He was educated at University College school. His father, Joseph Moses Levy, acquired the Daily Telegraph and Courier in 1855, a few months after it was founded by Colonel Sleigh.

  • levyne (mineral)

    Levyne, mineral in the zeolite family, similar in composition and structure to chabazite

  • levynite (mineral)

    Levyne, mineral in the zeolite family, similar in composition and structure to chabazite

  • Lew and Leslie Grade Ltd. (British company)

    Lew Grade, Baron Grade of Elstree: …he went on to build Lew and Leslie Grade Ltd., which became the largest talent agency in Europe in the years after World War II. In the 1950s Grade became involved in British commercial television; his company, Associated Television (ATV), went on to produce several action-adventure series, including Robin Hood,…

  • Lewald, August (German writer)

    Fanny Lewald: …the encouragement of her cousin August Lewald, a journalist and editor. The novels Clementine (1842) and Jenny (1843) describe circumscribed lives built around family virtues. Die Familie Darner, 3 vol. (1888; “The Darner Family”), and Von Geschlecht zu Geschlecht, 8 vol. (1863–65; “From Generation to Generation”), are realistic novels about…

  • Lewald, Fanny (German writer)

    Fanny Lewald, popular German novelist and feminist who wrote mainly on family, marriage, and social problems. She first began writing at the age of 30 with the encouragement of her cousin August Lewald, a journalist and editor. The novels Clementine (1842) and Jenny (1843) describe circumscribed

  • Lewan (archaeological site, India)

    India: Subsistence and technology: …some contemporary sites, such as Lewan and Tarakai Qila in the Bannu basin, were large-scale factories, producing many types of tools from carefully selected stones collected and brought in from neighbouring areas. These same sites also appear to have been centres for the manufacture of beads of various semiprecious stones.

  • Lewandowski, Louis (Polish composer)

    Louis Lewandowski, Jewish cantor, chorus conductor, and composer of synagogue music. By the age of 12 Lewandowski was singing with a Berlin choir; he studied violin and piano and was admitted to Berlin University and the Academy of Fine Arts (the first Jew to be admitted). From 1840 he directed

  • Lewanika (South African king)

    Lewanika, Southern African king of the Lozi, from the Luyana lineage, one of a restored line of Lozi kings that recovered control of Barotseland (Bulozi) in the decades following the 1851 death of the Kololo conqueror, Sebetwane. Fearful of attack from the Portuguese (in Angola to the west) and

  • Lewduh (India)

    Shillong, city, capital of Meghalaya state, northeastern India. The city is located in the east-central part of the state on the Shillong Plateau, at an elevation of 4,990 feet (1,520 metres). Shillong first became prominent in 1864, when it succeeded Cherrapunji as the district headquarters. In

  • Lewen, John (English actor)

    John Lowin, English actor, a colleague of William Shakespeare. Lowin was the son of a carpenter. He worked as a goldsmith’s apprentice for eight years and then joined the Earl of Worcester’s Men as an actor in 1602. By 1603 he was a member of the King’s Men. He is known to have specialized in the

  • Lewenstein, Oscar (British film producer)

    Oscar Lewenstein, British theatre impresario and film producer who was a central figure in London’s Royal Court Theatre for over 20 years, formed the English Stage Company, and helped produce such notable films as Tom Jones (b. Jan. 18, 1917--d. Feb. 23,

  • Lewes (England, United Kingdom)

    Lewes, town (parish), Lewes district, administrative county of East Sussex, historic county of Sussex, southeastern England. It lies at a gap in the South Downs and along the River Ouse where it is still tidal. A castle was built there in the 11th century, and its ruins still dominate the town,

  • Lewes (district, England, United Kingdom)

    Lewes, district, administrative county of East Sussex, historic county of Sussex, England. The mainly rural district occupies a large part of east-central Sussex to the east and north of Brighton and Hove. The town of Lewes is the district’s administrative centre, in addition to being the county

  • Lewes (Delaware, United States)

    Lewes, city, Sussex county, southeastern Delaware, U.S. It lies at the mouth of Delaware Bay just west of Cape Henlopen (state park), where it is protected by Delaware Breakwater (built 1828–35). Founded in 1631 by Dutch colonists, it was the first white settlement along the Delaware River.

  • Lewes River (river, Canada)

    Lewes River, former name for the upper course of the Yukon River in Yukon, Canada. It flows from Tagish Lake on the British Columbia border northward through Lake Marsh past Whitehorse for about 340 miles (550 km) to join the Pelly River at Selkirk. A main artery for prospectors during gold-rush

  • Lewes, Battle of (British history)

    John de Balliol: …after his capture in the Battle of Lewes (May 14, 1264). About that time (perhaps in 1263) he began to support several students at Oxford, apparently as penance for a quarrel with the Bishop of Durham. After his death, his widow completed his endowment of scholars, and their house was…

  • Lewes, George Henry (English philosopher, actor, and scientist)

    George Henry Lewes, English biographer, literary critic, dramatist, novelist, philosopher, actor, scientist, and editor, remembered chiefly for his decades-long liaison with the novelist Mary Ann Evans (better known by her pseudonym, George Eliot). After a desultory education, Lewes spent two years

  • Lewin of Greenwich in Greater London, Terence Thornton Lewin, Baron (British admiral)

    Terence Thornton Lewin, Baron Lewin of Greenwich in Greater London, British admiral of the fleet who was the leader of Great Britain’s successful campaign to regain control of the Falkland Islands/Islas Malvinas when Argentina invaded in 1982 (b. Nov. 19, 1920, Dover, Eng.—d. Jan. 23, 1999,

  • Lewin, Albert (American producer, screenwriter, and director)

    Albert Lewin, American film producer, screenwriter, and director who was best known for his literary adaptations, notably The Picture of Dorian Gray (1945). Lewin attended New York University (B.A., 1915) and Harvard University (M.A, 1916). He served in the military during World War I and later

  • Lewin, Kurt (American social psychologist)

    Kurt Lewin, German-born American social psychologist known for his field theory of behaviour, which holds that human behaviour is a function of an individual’s psychological environment. Lewin studied in Germany at Freiburg, Munich, and Berlin, receiving his doctorate from the University of Berlin

  • Lewin, William Charles James (British actor)

    William Terriss, one of England’s leading actors of the later Victorian stage. After scoring his first success as Doricourt in The Belle’s Stratagem, a comedy by Hannah Cowley, he appeared at the principal London theatres from 1868 until his death. At the Royal Court Theatre in 1878, Terriss acted

  • Lewinski, Erich von (German general)

    Erich von Manstein, German field marshal who was perhaps the most talented German field commander in World War II. The son of an artillery general, he was adopted by General Georg von Manstein after the untimely death of his parents. Manstein began his active career as an officer in 1906 and served

  • Lewinsky, Monica (American activist, public speaker, and writer)

    Monica Lewinsky, American activist, public speaker, and writer, who, while a White House intern in 1995–96, had a sexual relationship with U.S. Pres. Bill Clinton that became a scandal. Lewinsky, who was raised in Beverly Hills, California, began an internship at the White House in 1995, which led

  • Lewinsky, Monica Samille (American activist, public speaker, and writer)

    Monica Lewinsky, American activist, public speaker, and writer, who, while a White House intern in 1995–96, had a sexual relationship with U.S. Pres. Bill Clinton that became a scandal. Lewinsky, who was raised in Beverly Hills, California, began an internship at the White House in 1995, which led

  • Lewis (county, New York, United States)

    Lewis, county, north-central New York state, U.S. It largely consists of a plateau region bisected roughly north-south by the Black River, with the Adirondack Mountains rising to the east. The hardwood trees of the plateau region give way to coniferous forests in the Adirondacks. Other major

  • Lewis (island, Outer Hebrides, Scotland, United Kingdom)

    Lewis and Harris, largest and most northerly of Scotland’s Outer Hebrides islands, lying 24 miles (39 km) from the west coast of the Scottish mainland and separated from it by the Minch channel. Although the island forms one continuous unit, it is usually referred to as two separate islands. The

  • Lewis acid (chemical compounds)

    boron: Compounds: These so-called Lewis acids readily form complexes with amines, phosphines, ethers, and halide ions. Examples of complex formation between boron trichloride and trimethylamine, as well as between boron trifluoride and fluoride ion, are shown in the following equations:

  • Lewis and Clark Caverns (cave, Montana, United States)

    Lewis and Clark Caverns, limestone cave in Jefferson county, southwestern Montana, U.S. It lies 47 miles (76 km) east of Butte, near the confluence of the Madison and Missouri rivers, and is the focus of a state park. Though the cave is named for Meriwether Lewis and William Clark, the intrepid

  • Lewis and Clark Expedition (United States history)

    Lewis and Clark Expedition, (1804–06), U.S. military expedition, led by Capt. Meriwether Lewis and Lieut. William Clark, to explore the Louisiana Purchase and the Pacific Northwest. The expedition was a major chapter in the history of American exploration. On January 18, 1803, U.S. Pres. Thomas

  • Lewis and Clark National Historic Trail (historical trail, United States)

    Lewis and Clark Expedition: Legacy: …Congress established the 3,700-mile (6,000-km) Lewis and Clark National Historic Trail. While Lewis and Clark had a great interest in documenting Indian cultures, they represented a government whose policies can now be seen to have fostered dispossession and cultural genocide. This dichotomy was on display during the event’s bicentennial, commemorated…

  • Lewis base (chemical compounds)

    chromatography: Retention: …acids) to electron donors (Lewis bases). The interplay of these forces and temperature are reflected in the partition coefficient and determine the order on polarity and eluotropic strength scales. In the special case of ions, a strong electrostatic force exists in addition to the other forces; this electrostatic force…

  • Lewis blood group system (physiology)

    Lewis blood group system, classification of human blood based on the expression of glycoproteins called Lewis (Le) antigens on the surfaces of red blood cells or in body fluids, or both. The Lewis antigen system is intimately associated with the secretor system and ABO blood group system

  • Lewis College of Science and Technology (university, Romeoville, Illinois, United States)

    Lewis University, private, coeducational university in Romeoville, Illinois, U.S., 30 miles (50 km) southwest of Chicago. Lewis University is operated by the Christian Brothers, a teaching order of the Roman Catholic Church. It was founded in 1932 by the Chicago archdiocese as Holy Name Technical

  • Lewis formula

    chemical bonding: Bonds between atoms: Lewis introduced the conventions of representing valence electrons by dots arranged around the chemical symbol of the element, as in H· and Na·, and of discussing bond formation as the transfer of dots from one symbol to another. This seemingly simplistic device turns out to…

  • Lewis Glacier (glacier, Kenya)

    Mount Kenya: …small, retreating glaciers, of which Lewis and Tyndall are the largest, feed the streams and marshes on the mountain’s slopes. A markedly radial drainage is characteristic, but all streams eventually flow into the Tana River or the Ewaso Ng’iro River.

  • Lewis Glyn Cothi (Welsh poet)

    Lewis Glyn Cothi, Welsh bard whose work reflects an awakening of national consciousness among the Welsh. Reputedly a native of Carmarthenshire, Lewis was, during the Wars of the Roses, a zealous Lancastrian and partisan of Jasper Tudor, the uncle of Henry VII of England. His awdl (ode) satirizing

  • Lewis machine gun (weapon)

    small arm: Light machine guns: These included the British Lewis gun (invented in America but manufactured and improved in Great Britain), the French Chauchat, several German weapons, and the U.S. M1918 Browning automatic rifle (known as the BAR). Most, but not all, of these light weapons were gas-operated. Almost all were air-cooled. Generally, they…

  • Lewis Range (mountain range, North America)

    Lewis Range, segment of the northern Rockies, extending south-southeastward for 160 miles (260 km) from the Alberta, Can., border, near Waterton Lake, to the Blackfoot River in northwestern Montana, U.S. Many peaks exceed 10,000 feet (3,000 m), with Mount Cleveland (10,479 feet [3,194 m]) being

  • Lewis School of Aeronautics (university, Romeoville, Illinois, United States)

    Lewis University, private, coeducational university in Romeoville, Illinois, U.S., 30 miles (50 km) southwest of Chicago. Lewis University is operated by the Christian Brothers, a teaching order of the Roman Catholic Church. It was founded in 1932 by the Chicago archdiocese as Holy Name Technical

  • Lewis structure

    chemical bonding: Bonds between atoms: Lewis introduced the conventions of representing valence electrons by dots arranged around the chemical symbol of the element, as in H· and Na·, and of discussing bond formation as the transfer of dots from one symbol to another. This seemingly simplistic device turns out to…

  • Lewis theory (chemistry)

    Lewis theory, generalization concerning acids and bases introduced in 1923 by the U.S. chemist Gilbert N. Lewis, in which an acid is regarded as any compound which, in a chemical reaction, is able to attach itself to an unshared pair of electrons in another molecule. The molecule with an available

  • Lewis University (university, Romeoville, Illinois, United States)

    Lewis University, private, coeducational university in Romeoville, Illinois, U.S., 30 miles (50 km) southwest of Chicago. Lewis University is operated by the Christian Brothers, a teaching order of the Roman Catholic Church. It was founded in 1932 by the Chicago archdiocese as Holy Name Technical

  • Lewis, A. H. (American author)

    western: A.H. Lewis (c. 1858–1914), a former cowboy, produced a series of popular stories told by the “Old Cattleman.” Stephen Crane created a comic classic of the genre with “The Bride Comes to Yellow Sky” (1898), and Conrad Richter (1890–1968) wrote a number of stories and…

  • Lewis, Al (American actor)

    Al Lewis, (Alexander [or Albert] Meister), American actor (born April 30, 1923, New York, N.Y.—died Feb. 3, 2006, New York City), was most noted for his role as Grandpa, a 378-year-old vampire, on the television sitcom The Munsters (1964–66). He previously had portrayed Officer Leo Schnauzer on C

  • Lewis, Alun (Welsh poet)

    Alun Lewis, at his early death one of the most promising Welsh poets, who described his experiences as an enlisted man and then an officer during World War II. The son of a schoolmaster, Lewis grew up in a mining valley of South Wales, where he forged a bond of sympathy with the impoverished coal

  • Lewis, Anthony (American journalist)

    (Joseph) Anthony Lewis, American journalist (born March 27, 1927, New York, N.Y.—died March 25, 2013, Cambridge, Mass.), transformed legal journalism as he composed engaging articles and commentaries on complex legal matters for the general reader. Lewis’s in-depth knowledge of the law and

  • Lewis, Avi (Canadian filmmaker)

    Naomi Klein: With her husband, director Avi Lewis, Klein wrote and coproduced The Take (2004), a documentary about the occupation of a closed auto-parts plant by Argentine workers. Klein’s The Shock Doctrine (2007) was a scathing critique of neoliberalism—particularly of Milton Friedman’s “Chicago school” of economics. The book examined what Klein…

  • Lewis, C. I. (American philosopher and logician)

    C.I. Lewis, American logician, epistemologist, and moral philosopher. Educated at Harvard University, Lewis taught there from 1920 until his retirement in 1953, serving as a full professor of philosophy from 1930. He was honoured in 1950 as a formal logician by Columbia University, and in 1961 he

  • Lewis, C. S. (Irish-born author and scholar)

    C.S. Lewis, Irish-born scholar, novelist, and author of about 40 books, many of them on Christian apologetics, including The Screwtape Letters and Mere Christianity. His works of greatest lasting fame may be the Chronicles of Narnia, a series of seven children’s books that have become classics of

  • Lewis, Carl (American athlete)

    Carl Lewis, American track-and-field athlete, who won nine Olympic gold medals during the 1980s and ’90s. Lewis qualified for the U.S. Olympic team in 1980 but did not compete, because of the U.S. boycott of the Moscow Games. At the 1984 Games in Los Angeles, Lewis won gold medals in the 100-metre

  • Lewis, Cecil (British screenwriter)
  • Lewis, Clarence Irving (American philosopher and logician)

    C.I. Lewis, American logician, epistemologist, and moral philosopher. Educated at Harvard University, Lewis taught there from 1920 until his retirement in 1953, serving as a full professor of philosophy from 1930. He was honoured in 1950 as a formal logician by Columbia University, and in 1961 he

  • Lewis, Clive Staples (Irish-born author and scholar)

    C.S. Lewis, Irish-born scholar, novelist, and author of about 40 books, many of them on Christian apologetics, including The Screwtape Letters and Mere Christianity. His works of greatest lasting fame may be the Chronicles of Narnia, a series of seven children’s books that have become classics of

  • Lewis, Damian (British actor)

    Damian Lewis, British actor who was known for his trademark red hair, his impeccable American accent, and his wide-ranging roles, though he was perhaps most noted for his portrayal of military characters, especially U.S. Marine Sgt. Nicholas Brody in the television series Homeland. Lewis had a

  • Lewis, Damian Watcyn (British actor)

    Damian Lewis, British actor who was known for his trademark red hair, his impeccable American accent, and his wide-ranging roles, though he was perhaps most noted for his portrayal of military characters, especially U.S. Marine Sgt. Nicholas Brody in the television series Homeland. Lewis had a

  • Lewis, David (American motion-picture producer)

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  • Lewis, David Kellogg (American philosopher)

    David Kellogg Lewis, American philosopher who, at the time of his death, was considered by many to be the leading figure in Anglo-American philosophy (see analytic philosophy). Both Lewis’s father and his mother taught government at Oberlin College. Lewis studied philosophy at Swarthmore College

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