carboxylic acid: Unsaturated aliphatic acids: …next by a CH2 (called methylene) group. (2) Virtually all double bonds in these and other naturally occurring unsaturated fatty acids have the cis configuration. (3) Linoleic and linolenic acids are needed by the human body, but the body cannot synthesize them. They must be obtained in the diet and,…

iodoform: Several reagents convert iodoform to methylene iodide (diiodomethane), a dense liquid, colourless when pure but usually discoloured by traces of iodine, used as a heavy medium in gravity separation processes.

major industrial polymers: Polyurethanes: …diisocyanate (TDI), methylene-4,4′-diphenyl diisocyanate (MDI), and a polymeric isocyanate (PMDI). These isocyanates have the following structures:

chlorophenol: … reacts with 2,4-dichlorophenol to form methylenebis(dichlorophenol), used as a mothproofing agent, an antiseptic, and a seed disinfectant; 2,4-dichlorophenol, with chloroacetic acid, forms 2,4-dichlorophenoxyacetic acid (2,4-D), a weed killer.

antimicrobial agent: Antiseptics and germicides: …bisphenols as hexyl resorcinol and hexachlorophene are widely used as antiseptic agents in soaps. Chlorine and iodine are both extremely effective agents and can be used in high dilution. Chlorine is widely used in the disinfection of drinking-water supplies, and among its derivatives, the hypochlorite solutions (e.g., Dakin’s solution) are…

hallucinogen: Psychopharmacological drugs: …region; and the synthetic compounds methylenedioxyamphetamine (MDA), methylenedioxymethamphetamine (MDMA), and phencyclidine (PCP). Tetrahydrocannabinol (THC), the active ingredient in cannabis, or marijuana, obtained from the leaves and tops of plants in the genus Cannabis, is also sometimes classified as a hallucinogen.

organometallic compound: Alkylidyne ligands: …member of this series is methylidyne, CH, and the next simplest, CCH3, is ethylidyne. One route to methylidynes, discovered in Fischer’s laboratory, involves the abstraction of an alkoxide group (OR) from a Fischer carbene by BBr3.

chemistry of industrial polymers: Ionic initiation: Organometallic compounds such as methyllithium (CH3Li) constitute one type of anionic initiator. The methyl group of this initiator adds to the styrene monomer to form the anionic species that is associated with the lithium ion Li+:

metabolic disease: Organic acidemias: …with the classic form of methylmalonic acidemia (MMA), caused by a defect in the enzyme methylmalonyl-CoA mutase, have symptoms similar to individuals with propionic acidemia but may also develop the long-term complication of kidney failure. A combined liver-kidney transplant may be beneficial in some patients with severe kidney disease. One…

metabolism: Fragmentation of fatty acyl coenzyme A molecules: The product, methylmalonyl coenzyme A, has four carbon atoms; the molecule undergoes a rearrangement, forming succinyl coenzyme A, which is an intermediate of the TCA cycle.

codeine, naturally occurring alkaloid of opium, the dried milky exudate of the unripe seed capsule of the poppy Papaver somniferum, that is used in medicine as a cough suppressant and analgesic drug. Codeine exerts its effects by acting on the central nervous system (brain and spinal cord). First

bacteria: Sporulation: Methane-oxidizing bacteria in the genus Methylosinus also produce desiccation-resistant spores, called exospores.

Ritalin, a mild form of amphetamine used in the treatment of attention-deficit hyperactivity disorder (ADHD), a condition that occurs primarily in children and is characterized by hyperactivity, inability to concentrate for long periods of time, and impulsivity. Ritalin, a trade-name drug, also has

cresol (C7H8O), any of the three methylphenols with the same molecular formula but having different structures: ortho- (o-) cresol, meta- (m-) cresol, and para- (p-) cresol. The cresols are obtained from coal tar or petroleum, usually as a mixture of the three stereoisomers (molecules with the same

phosphine: Thus, methylphosphine (CH3PH2) is a primary phosphine, in which the methyl group (CH3) takes the place of one of the hydrogen atoms of phosphine itself. The metal salts are called phosphides, and the protonated forms (compounds to which a hydrogen ion has been added) are called…

methylene blue, a bright greenish blue organic dye belonging to the phenothiazine family that has various applications in medicine and in the dyeing of textiles. Methylene blue is employed as a biological stain, in testing for bacterial infection underlying tuberculosis, and as a chemical

virus: Prevention: …protein in host cells called methyltransferase SETD3 for their replication; this discovery raised the possibility of someday being able to suppress the protein therapeutically to protect individuals against infection by these viruses.

stimulant: The methylxanthines are even milder stimulants. Unlike the amphetamines and methylphenidate, which are synthetically manufactured, these compounds occur naturally in various plants and have been used by humans for many centuries. The most important of them are caffeine, theophylline, and theobromine. The strongest is caffeine, which…

metic, in ancient Greece, any of the resident aliens, including freed slaves. Metics were found in most states except Sparta. In Athens, where they were most numerous, they occupied an intermediate position between visiting foreigners and citizens, having both privileges and duties. They were a

methicillin, antibiotic formerly used in the treatment of bacterial infections caused by organisms of the genus Staphylococcus. Methicillin is a semisynthetic derivative of penicillin. It was first produced in the late 1950s and was developed as a type of antibiotic called a penicillinase-resistant

Mohammed Dib: …L’Incendie (1954; “The Fire”), and Le Métier à tisser (1957; “The Loom”), in which he described the Algerian people’s awakening to self-consciousness and to the impending struggle for independence that began in 1954. The trilogy recounts the years 1938–42.

Miltiades the Younger: Early years.: …captained by Miltiades’ eldest son, Metiochos, was captured. Metiochos was taken as a lifelong prisoner to Persia, but Darius treated him honourably, married him to a Persian princess, and regarded their children as members of the Persian nobility.

Métis, indigenous nation of Canada that has combined Native American and European cultural practices since at least the 17th century. Their language, Michif, which is a French and Cree trade language, is also called French Cree or Métis. The first Métis were the children of indigenous women and

meat processing: Oxidation state of iron: …myoglobin molecule is now called metmyoglobin). In this oxidized condition, meat turns to a brown colour. Although the presence of this colour is not harmful, it is an indication that the meat is no longer fresh.

Theodore Metochites was a Byzantine prime minister, negotiator for Emperor Andronicus II Palaeologus, and one of the principal literary and philosophical scholars of the 14th century. The son of George Metochites, a prominent Eastern Orthodox cleric under Emperor Michael VIII Palaeologus and a

antiemetic: …used in psychiatric medicine) and metoclopramide. Serotonin antagonists, such as ondansetron, have proved effective in the prevention of nausea and vomiting associated with cancer chemotherapy.

Serbia: The Golden Age: …southward to Peć, in the Metohija Plain. In 1375 the archbishop of Peć was raised to the status of patriarch, in spite of the pronouncement of an anathema by Constantinople. During this time great churches and monasteries were endowed—particularly the Mileševo (c. 1235), Peć (1250), Morača (1252), Sopoćani (c. 1260),…

Serbia: The Golden Age: …southward to Peć, in the Metohija Plain. In 1375 the archbishop of Peć was raised to the status of patriarch, in spite of the pronouncement of an anathema by Constantinople. During this time great churches and monasteries were endowed—particularly the Mileševo (c. 1235), Peć (1250), Morača (1252), Sopoćani (c. 1260),…

Metonic cycle: The cycle was discovered by Meton (fl. 432 bc), an Athenian astronomer. Computation from modern data shows that 235 lunations are 6,939 days, 16.5 hours; and 19 solar years, 6,939 days, 14.5 hours. See also golden number.

Metonic cycle, in chronology, a period of 19 years in which there are 235 lunations, or synodic months, after which the Moon’s phases recur on the same days of the solar year, or year of the seasons. The cycle was discovered by Meton (fl. 432 bc), an Athenian astronomer. Computation from modern

metonymy, (from Greek metōnymia, “change of name,” or “misnomer”), figure of speech in which the name of an object or concept is replaced with a word closely related to or suggested by the original, as “crown” to mean “king” (“The power of the crown was mortally weakened”) or an author for his

Me Too movement, awareness movement around the issue of sexual harassment and sexual abuse of women in the workplace that grew to prominence in 2017 in response to news reports of sexual abuse by American film producer Harvey Weinstein. While the phrase had been in the lexicon for more than a

Life in a Bromeliad Pool: …should a bromeliad crab (Metopaulias depressus) choose the pool for its offspring. In order to protect its larvae from such predators, the crab kills all damselfly larvae in a pool before placing its own progeny there.

order: …with receding square panels, called metopes, that may be either plain or carved with sculptured reliefs. The Roman forms of the Doric order have smaller proportions and appear lighter and more graceful than their Greek counterparts.

Alfred Métraux was a Swiss anthropologist noted for his pioneering contributions to South American ethnohistory and the examination of African culture in Haiti. Métraux studied with several prominent European anthropologists. He was director of the ethnological institute at the University of

metre (m), in measurement, fundamental unit of length in the metric system and in the International Systems of Units (SI). It is equal to approximately 39.37 inches in the British Imperial and United States Customary systems. The metre was historically defined by the French Academy of Sciences in

metre, in music, rhythmic pattern constituted by the grouping of basic temporal units, called beats, into regular measures, or bars; in Western notation, each measure is set off from those adjoining it by bar lines. A time (or metre) signature, found at the beginning of a piece of music, indicates

metre, in poetry, the rhythmic pattern of a poetic line. Various principles, based on the natural rhythms of language, have been devised to organize poetic lines into rhythmic units. These have produced distinct kinds of versification, among which the most common are quantitative, syllabic,

time signature, in musical notation, sign that indicates the metre of a composition. Most time signatures consist of two vertically aligned numbers, such as , , and . In simple time, the top figure reflects the number of beats in each measure, or metrical unit; the bottom figure indicates the n

metric system: The Treaty of the Metre signed there provided for a permanent laboratory in Sèvres, near Paris, where international standards are kept, national standard copies inspected, and metrological research conducted. The General Conference on Weights and Measures (CGPM), with diplomatic representatives of some 40 countries, meets every…

Giovanni Giorgi: …best known for developing the Giorgi International System of Measurement (also known as the MKSA system) in 1901. This system proposed as units of scientific measurement the metre, kilogram, second, and joule and was endorsed in 1960 by the General Conference of Weights and Measures (with the ampere instead of…

metrētēs, primary liquid measure of the ancient Greeks, equivalent to 39.4 litres, or about 9 gallons. In the Greek system, of which the smallest capacity unit was the kotyle (16.5 cubic inches; 0.475 pint; 270 cubic cm), the metrētēs equaled 144 kotyle, or 12 khous, or 2 xestes. Reconstructed

carat: …to standardize the carat, the metric carat, equal to 0.200 g, and the point, equal to 0.01 carat, were adopted by the United States in 1913 and subsequently by most other countries. The weights of diamond, ruby, sapphire, emerald, topaz, aquamarine, garnet, tourmaline, zircon, spinel, and sometimes opal and pearl…

Elliott Carter: …novel principles of polyrhythm, called metric modulation, won worldwide attention. He was twice awarded the Pulitzer Prize for music, in 1960 and 1973.

metric space, in mathematics, especially topology, an abstract set with a distance function, called a metric, that specifies a nonnegative distance between any two of its points in such a way that the following properties hold: (1) the distance from the first point to the second equals zero if and

metric system, international decimal system of weights and measures, based on the metre for length and the kilogram for mass, that was adopted in France in 1795 and is now used officially in almost all countries. The French Revolution of 1789 provided an opportunity to pursue the frequently

Western music: Monophonic secular song: …on polyphonic music was the metric system, which is based on six rhythmic modes. Supposedly derived from Greek poetic metres such as trochaic (long–short) and iambic (short–long), these modes brought about a prevailing triple metre in French music, while German poetry produced duple as well as triple metre. A great…

tensor analysis: Two tensors, called the metrical tensor and the curvature tensor, are of particular interest. The metrical tensor is used, for example, in converting vector components into magnitudes of vectors. For simplicity, consider the two-dimensional case with simple perpendicular coordinates. Let vector V have the components V1, V2. Then by…

ton: The metric ton used in most other countries is 1,000 kg, equivalent to 2,204.6 pounds avoirdupois. The term derives from tun, denoting a large barrel used in the wine trade. Ton came to mean any large weight, until it was standardized at 20 hundredweight although the…

Heron of Alexandria: Heron’s most important geometric work, Metrica, was lost until 1896. It is a compendium, in three books, of geometric rules and formulas that Heron gathered from a variety of sources, some of them going back to ancient Babylon, on areas and volumes of plane and solid figures. Book I enumerates…

doxology: Metrical doxologies are usually variations upon the Gloria Patri. The most familiar in English is one by the 17th-century Anglican bishop and hymn writer Thomas Ken:

tensor analysis: Two tensors, called the metrical tensor and the curvature tensor, are of particular interest. The metrical tensor is used, for example, in converting vector components into magnitudes of vectors. For simplicity, consider the two-dimensional case with simple perpendicular coordinates. Let vector V have the components V1, V2. Then by…

nervous system: Diffuse nervous systems: In the sea anemone Metridium some of the nerve fibres are 7 to 8 mm (0.3 inch) long and form a system for fast conduction of nerve impulses. Such specializations may have allowed the evolution of different functions. Rapid coordination of swimming movements requires a fast-conducting pathway, while feeding…

Horace: Life: …principles taken from Hellenistic philosophy: metriotes (the just mean) and autarkeia (the wise man’s self-sufficiency). The ideal of the just mean allows Horace, who is philosophically an Epicurean, to reconcile traditional morality with hedonism. Self-sufficiency is the basis for his aspiration for a quiet life, far from political passions and…

United Kingdom: Newspapers: Metro, a free paper launched in 1999, now rivals The Sun in terms of circulation. In England there are also several regional dailies and weeklies and national weeklies—some targeting particular ethnic communities.

Tennessee: Constitutional framework: …a single governmental unit, called Metropolitan Government, or Metro.

Paris: Transportation of Paris: …lines of the Métropolitain (Métro) subway system, first opened in 1900, are fast and frequent. Over many years, lines have been extended into the suburbs, and in 1998 a new, fully automatic line was opened to serve central areas of the city. The Réseau Express Régional (RER), a high-speed…

subway, underground railway system used to transport large numbers of passengers within urban and suburban areas. Subways are usually built under city streets for ease of construction, but they may take shortcuts and sometimes must pass under rivers. Outlying sections of a system usually emerge

subway: , Metro, with an automatic railway control system and 600-foot- (183-metre-) long underground coffered-vault stations, opened its first subway line in 1976. Other features of modern subway construction include air-conditioned trains with lightweight aluminum cars, smoother and faster rides due to refinements in track construction and…

Spanish literature: The novel: …turned later to the novel; El metro de platino iradiado (1990; “The Metre of Irradiated Platinum”) is considered by many his masterpiece. He was elected to the Spanish Academy in 2004. Tomeo is an Aragonese essayist, dramatist, and novelist whose works, with their strange, solitary characters, emphasize that “normal” is…

Metauro River, river, Marche region, central Italy, rising in the Etruscan Apennines (Appennino Tosco-Emiliano) and flowing for 68 mi (109 km) east-northeast into the Adriatic Sea just south of Fano. The lower valley of the river (the ancient Metaurus) was the scene of a great Roman victory over

Toronto Zoo, zoological park in West Hill, Ontario, Canada, which ranks as one of the largest zoos in the world. The 287-hectare (710-acre) park was opened in 1974 by the municipality of Toronto and the Metropolitan Toronto Zoological Society. It replaced the overcrowded and outdated municipal

Metro-Goldwyn-Mayer, Inc. (MGM), American corporation that was once the world’s largest and most profitable motion-picture studio. The studio reached its peak in the 1930s and ’40s. During those years MGM had under contract at various times such outstanding screen personalities as Greta Garbo, John

Metrocles was a Cynic philosopher and the first philosopher known to have made a collection of instructive anecdotes and sayings, a common form of literary activity among later moralists. After studying under the Peripatetic philosopher Theophrastus, he became dissatisfied with his teacher and

construction: Postwar developments in long-span construction: …in Pontiac, Michigan, and the Hubert H. Humphrey Metrodome (1982) in Minneapolis. Air-supported structures are perhaps the most cost-effective type of structure for very long spans.

Western painting: Etruscan and Hellenistic Greek influences: …the Battle of Pydna, employed Metrodorus, an Athenian painter, to execute panels depicting events in his victorious campaign. It is significant, perhaps, that Metrodorus was a philosopher as well as a painter and that he was also employed by Paullus in educating his children. Tradition states that Demetrius, an Alexandrian…

Epicureanism: Doctrine of Epicurus: Thus, Epicurus’s most distinguished pupil, Metrodorus of Lampsacus, could exclaim, “bebiōtai” (“I have lived”), and this would be quite enough. He who has conquered the fear of death can also despise pain, which “if it is long lasting is light, and if it is intense is short” and brings death…

railroad: Advances in traction systems: …Railroad with its electrically operated Metroliners and the New Haven Railroad diesel-electric Turbotrains began running, and since 2000 Amtrak has run its electric Acela Express trains between Boston and Washington. The Metroliners (phased out in 2006) attained speeds of 200 km (125 miles) per hour in the best sections, while…

metrology, the science of measurement. From three fundamental quantities, length, mass, and time, all other mechanical quantities—e.g., area, volume, acceleration, and power—can be derived. A comprehensive system of practical measurement should include at least three other bases, taking in the

Alexis Piron: …epigrams and for his comedy La Métromanie (1738; “The Poetry Craze”).

foot, in verse, the smallest metrical unit of measurement. The prevailing kind and number of feet, revealed by scansion, determines the metre of a poem. In classical (or quantitative) verse, a foot, or metron, is a combination of two or more long and short syllables. A short syllable is known as an

antiprotozoal drug: Metronidazole is usually given orally for the treatment of vaginal infections caused by Trichomonas vaginalis, and it is effective in treating bacterial infections caused by anaerobes (organisms that can survive without oxygen). It affects these organisms by causing nicks in, or breakage of, strands of…

metronome, device for marking musical tempo, erroneously ascribed to the German Johann Nepomuk Maelzel (1772–1838) but actually invented by a Dutch competitor, Dietrich Nikolaus Winkel (c. 1776–1826). As originally developed, the metronome consisted of a pendulum swung on a pivot and actuated by a

Metrophanes Kritopoulos was a Greek Orthodox patriarch of Alexandria, Egypt, and theologian whose discussions with European Protestants concluded with his writing an exposition of Eastern Orthodox doctrine in an attempt at Christian unity. After becoming a monk at Mt. Athos, Greece, Kritopoulos in

Mississippi River: Hydrology: At Metropolis, Illinois, just above the confluence with the Mississippi, the greatest monthly discharge is usually recorded in March, at which time the Ohio may be providing more than three-fifths of the water being monitored past Vicksburg in the lower river.

metropolitan area, a major city together with its suburbs and nearby cities, towns, and environs over which the major city exercises a commanding economic and social influence. Literally construed, metropolis from the Greek means “mother city,” and by implication there are progeny or dependents

Metropolis, German silent film, released in 1927, featuring director Fritz Lang’s vision of a grim futuristic society and containing some of the most impressive images in film history. (Read Lillian Gish’s 1929 Britannica essay on silent film.) The great future city of Metropolis in the film is

London: Organization, innovation, and reform: A statute of 1855 (the Metropolis Management Act) combined a number of smaller units of local government and replaced the medley of franchises with a straightforward system of votes by all ratepayers. Major works, such as main drainage and slum clearance, were put in the hands of the Metropolitan Board…

Asia: Urban settlement: …a large scale, called the extended metropolis, is emerging in some areas. In such a development, the expanding peripheries of the great cities merge with the surrounding countryside and villages, where a highly commercialized and intensive form of agriculture continues yet where an increasing portion of the farmers’ income is…

metropolitan, in the Roman Catholic, Eastern Orthodox, and Anglican churches, the head of an ecclesiastical province. Originally, a metropolitan was a bishop of the Christian Church who resided in the chief city, or metropolis, of a civil province of the Roman Empire and, for ecclesiastical

Rem Koolhaas: In 1975 he formed the Office for Metropolitan Architecture (OMA) with Elia and Zoe Zenghelis and Madelon Vriesendorp (at that time Koolhaas’s wife), with offices in Rotterdam and London.

metropolitan area, a major city together with its suburbs and nearby cities, towns, and environs over which the major city exercises a commanding economic and social influence. Literally construed, metropolis from the Greek means “mother city,” and by implication there are progeny or dependents

information system: Telecommunications: Metropolitan area networks (MANs) cover a limited densely populated area and are the electronic infrastructure of “smart cities.” Wide area networks (WANs) connect widely distributed data centres, frequently run by different organizations. Peer-to-peer networks, without a centralized control, enable broad sharing of content. The Internet…

Latin American architecture: Eighteenth-century architecture in Mexico: The Metropolitan Cathedral of Mexico in Mexico City, begun in the 16th century by Claudio de Arciniega, is Classical in its layout, with extraordinary fragments of an exuberant Baroque decoration applied on the surface. The cathedral’s Altar of the Kings (1718–37), by Jerónimo de Balbás, began…

Metropolitan Community Churches (MCC), worldwide Protestant denomination founded in 1968 and focusing its outreach endeavors on persons who identify themselves as homosexual, bisexual, transgender, and queer Christians. Although most MCC members are LGBTQ, membership is open to all individuals

United Kingdom: Local government: In England, metropolitan counties cover metropolitan areas; they serve as geographic and statistical units, but since 1986 their administrative powers have belonged to their constituent metropolitan boroughs. Moreover, in England there is a unit known variously as a ceremonial county or a geographic county. These counties also…

China: Later innovations: …eligible to compete in triennial metropolitan examinations conducted at the national capital. Those who passed were given degrees often called doctorates (jinshi) and promptly took an additional palace examination, nominally presided over by the emperor, on the basis of which they were ranked in order of excellence. They were registered…

Matvey Fyodorovich Kazakov: …construction in Moscow of the Church of Metropolitan Filipp. Its Neoclassical rotunda was the first such structure in Russia. He also built a half rotunda atop the building that housed Moscow University (the building burned during Napoleon’s invasion but was later rebuilt).

Tennessee: Constitutional framework: …a single governmental unit, called Metropolitan Government, or Metro.

hinterland: An example of a metropolitan hinterland is the Metropolitan Statistical Area (MSA) as designated by the U.S. Census Bureau. MSA’s are comprised of a central city, defined by the corporate limits; an urbanized, built-up area contiguous to the central city; and a non-urbanized area, delimited on a county basis,…

Fran Lebowitz: Books and writer’s blockade: …were collected in the book Metropolitan Life, which was soon followed by another collection, Social Studies (1981). Both books were best sellers, and it was not long before Lebowitz signed a publisher’s contract, with a hefty advance, to write a novel called Exterior Signs of Wealth. However, she was gripped…

skyscraper: The Metropolitan Life Insurance Building in New York City (1909) was modeled by Napoleon Le Brun after the Campanile of St. Mark’s in Venice, and the Woolworth Building (1913), by Cass Gilbert, is a prime example of neo-Gothic decoration. Even the Art Deco carvings on such…

Manila: …single administrative region, known as Metropolitan Manila (also called the National Capital Region); the Manila city proper encompasses only a small proportion of that area.

Manila: Government: …Manila is administered by the Metropolitan Manila Development Authority (MMDA). Within the MMDA is an administrative council consisting of the mayors of each of the constituent cities and municipalities as well as a number of other officials. The Sangguniang Bayan (Municipal Assembly) of each city or municipality helps in administration…

Robert Guy Choquette: …1926; his collection of poetry Metropolitan Museum (1930) won it for him again in 1931. His other books of poetry include Suite marine (1953), the influential two-volume Oeuvres poétiques (1956; “Poetic Works”), and Poèmes choisis (1970; “Selected Poems”).

Metropolitan Museum of Art, the largest and most comprehensive art museum in New York City and one of the foremost in the world. The museum was incorporated in 1870 and opened two years later. The complex of buildings at its present location in Central Park opened in 1880. The Met’s main building

Met Gala, annual charity event that benefits the Costume Institute of the Metropolitan Museum of Art (or “the Met”) in New York City. It is usually held on the first Monday in May and coincides with the opening of the institute’s annual blockbuster exhibition. It is one of the most prestigious

Metropolitan Opera, in New York City, leading U.S. opera company, distinguished for the outstanding singers it has attracted since its opening performance (Gounod’s Faust) on October 22, 1883. After its first season under Henry E. Abbey ended in a $600,000 deficit, its management passed to the

Metropolitan Opera, in New York City, leading U.S. opera company, distinguished for the outstanding singers it has attracted since its opening performance (Gounod’s Faust) on October 22, 1883. After its first season under Henry E. Abbey ended in a $600,000 deficit, its management passed to the

George Balanchine: The American years: …resident ballet company at the Metropolitan Opera in New York City, and, while there, Balanchine produced among other works Le Baiser de la fée (1937; The Fairy’s Kiss). He was also creative in a totally different sphere, as pioneer choreographer for Broadway musicals and Hollywood films, including the celebrated Slaughter…