zoysiagrass: japonica), Manila grass (Z. matrella), and Mascarene grass (Z. tenuifolia) were introduced into North America as turf and lawn grasses and tolerate a variety of growing conditions. The leaves are fine-bladed in both the Manila and Mascarene grasses.

zoysiagrass: matrella), and Mascarene grass (Z. tenuifolia) were introduced into North America as turf and lawn grasses and tolerate a variety of growing conditions. The leaves are fine-bladed in both the Manila and Mascarene grasses.

zoysiagrass, (genus Zoysia), genus of creeping grasses of the family Poaceae, comprising four or five perennial species. Zoysiagrasses are native to southeastern Asia and New Zealand and are common along coastal grasslands. They are excellent cover for flat sandy open areas and are widely used as

Ramón López Velarde: In Zozobra (1919; “Anguish”) the themes of his previous work are treated with greater intensity. The death of Fuensanta in 1917 elicited the feelings of loss and anguish and the expressions of profound sensuality found in the poems. El son del corazón (1932; “The Sound of…

zero-point energy, vibrational energy that molecules retain even at the absolute zero of temperature. Temperature in physics has been found to be a measure of the intensity of random molecular motion, and it might be expected that, as temperature is reduced to absolute zero, all motion ceases and

blimp: Navy’s ZPG-3W airship—403 feet (123 metres) long, 85 feet in diameter, with a capacity of more than 1,500,000 cubic feet (42,450 cubic metres)—was the world’s largest nonrigid blimp. Four of them were commissioned in 1958. One exploded and crashed two years later, and the Navy retired…

Tanzania: British protectorate: …Arabs; and 3 by the Zanzibar and Pemba People’s Party (ZPPP), an offshoot of the ZNP. The ZNP and the ZPPP combined to form a government with Mohammed Shamte Hamadi as chief minister.

small arm: Large-calibre machine guns: The ZPU-4, a four-barreled version towed on a trailer, shot down many U.S. aircraft during that nation’s involvement in the Vietnam War (1965–73) and remained in service throughout the Third World long afterward.

zirconium (Zr), chemical element, metal of Group 4 (IVb) of the periodic table, used as a structural material for nuclear reactors. atomic number 40 atomic weight 91.22 melting point 1,852 °C (3,366 °F) boiling point 3,578 °C (6,472 °F) specific gravity 6.49 at 20 °C (68 °F) oxidation state +4

Hugo Eckener: The ZR-3 (later named Los Angeles) had been built for the United States as a war reparations payment. Eckener also commanded the Graf Zeppelin on its epic around-the-world flight in 1929 and on its polar-exploration flight in 1931.

gastronomy: Slavic: …soup; blintzes (stuffed pancakes); and zrazy (portions of rolled meat or fish stuffed with mushrooms, garlic, onions, and other ingredients that vary by region). Beef stroganoff, beef cooked with onions in sour cream, and a seafood pie called rakov are other popular dishes. Vodka is the most popular drink.

Theodor Körner: …the most ambitious of which, Zriny (1812), with its glorification of love for the fatherland, made him famous throughout Germany. His dramas, however, are now largely forgotten. After his death at age 22, his father collected the best of his militantly passionate patriotic poetry in Leyer und Schwert (1814; “Lyre…

Miklós Zrínyi was a statesman, military leader, and author of the first epic poem in Hungarian literature. Born into an extremely wealthy aristocratic family, Zrínyi was educated by the Jesuits and became viceroy of Croatia in 1647. His chief concern was driving the Turks out of Hungary, and he

Wesselényi Conspiracy: … the bán (governor) of Croatia, Péter Zrínyi; the chief justice of Hungary, Ferenc Nádasdy; and Ferenc Rákóczi. They formed a conspiracy to free Hungary from Habsburg rule and secretly negotiated for assistance from France and Turkey.

Richard Zsigmondy was an Austrian chemist who received the Nobel Prize for Chemistry in 1925 for research on colloids, which consist of submicroscopic particles dispersed throughout another substance. He invented the ultramicroscope in the pursuit of his research. After receiving his doctorate from

Ahmed I: The peace of Zsitvatörök (1606) that he signed with Austria was a blow to Ottoman prestige, and he was compelled to extend commercial privileges to France, Venice, and the Netherlands within his domains.

Žilina, town, north-central Slovakia. It lies along the Váh River at its confluence with the Kysuca and Rajčianka rivers. Originally an early 13th-century Slavic trading settlement, Žilina became a free royal town in 1312. It has an arcaded marketplace and medieval buildings, including the

artillery: Light weapons: …in October 1973, the Soviet ZSU-23-4, consisting of four 23-millimetre guns mounted on a tracked vehicle, shot down many Israeli fighters over the Sinai Peninsula. The Bofors firm mounted its guns on wheeled vehicles, and the United States fielded a mobile system called Vulcan, which consisted of a six-barreled, Gatling-type…

Zu, also called Imdugud, in Mesopotamian Religion, bird god who steals the prophetic tables of fate that confer supreme power. Zu was slain and the tables recovered. Zu is identified with

Zu Chongzhi was a Chinese astronomer, mathematician, and engineer who created the Daming calendar and found several close approximations for π. Like his grandfather and father, Zu Chongzhi was a state functionary. About 462 he submitted a memorandum to the throne that criticized the current

Zu Geng was a Chinese government official, mathematician, astronomer, and son of Zu Chongzhi (429–500). Beginning in 504, Zu Geng actively advocated his father’s calendar (the Daming calendar) and finally succeeded in getting it officially adopted in 510. His astronomical observations with gnomons

Zu Geng was a Chinese government official, mathematician, astronomer, and son of Zu Chongzhi (429–500). Beginning in 504, Zu Geng actively advocated his father’s calendar (the Daming calendar) and finally succeeded in getting it officially adopted in 510. His astronomical observations with gnomons

Zuwārah, Mediterranean port, northwestern Libya. First mentioned in a Catalan sailing manual (1375) as Punta dar Zoyara, it later served as the western outpost of Italian-controlled Libya (1912–43), being the terminus of the now-defunct railway from Tripoli 65 mi (105 km) east. Its artificial

Svarog, Slavic deity, divine smith and instigator of monogamous marriage. The root svar means “quarrel” or “dispute.” Svarog was considered the father of

Orinoco River: Physiography of the Orinoco: include the Guárico, Manapire, Suatá (Zuata), Pao, and Caris rivers, which enter on the left bank, and the Cuchivero and Caura rivers, which join the main stream on the right. So much sediment is carried by these rivers that islands often form at the mouths. The Caroní River, one…

Qatar: Early history and British protectorate: …at the new town of Al-Zubārah grew into a small pearl-diving and trade centre. In 1783 the Khalifah family led the conquest of nearby Bahrain, where they remained the ruling family throughout the 20th century. Following the departure of the Khalifah dynasty from Qatar, the country was ruled by a…

Sergey Vasilyevich Zubatov was a tsarist colonel of the Russian gendarmes known for his establishment of a system of surveillance to monitor the activities of revolutionary organizations. Zubatov became an agent of the Moscow department of the Okhranka, the tsarist secret police that was a division

Sergey Vasilyevich Zubatov: …is now referred to as Zubatovism, or Zubatovshchina. The aim of these organizations was to divert workers from social agitation by drawing them into organizations making purely economic demands for reform and operating under the secret surveillance of the police. The first of these societies was the Society of Mutual…

Sergey Vasilyevich Zubatov: …is now referred to as Zubatovism, or Zubatovshchina. The aim of these organizations was to divert workers from social agitation by drawing them into organizations making purely economic demands for reform and operating under the secret surveillance of the police. The first of these societies was the Society of Mutual…

history of Arabia: Regional centres: Zubaydah, wife of the caliph Hārūn al-Rashīd, celebrated for her public works, is said to have ordered the construction of the qanāt, a tunneled conduit that took water to Mecca. The threat of insurrection by Legitimist pretenders of the ʿAlīd branch of the Hashemite house—who…

Spain: Literature: From among these grammarians al-Zubaydī, tutor of Hishām II and Ibn Maḍāhʾ of Córdoba, who proposed a drastic reform of grammatical methods, stands out. Ibn Mālik of Jaén’s didactic poem Alfiyya (“The Thousand Verses”) constitutes an excellent handbook of grammar; and Abū Ḥayyān of Granada (died 1344), who emigrated…

Al-Zubayr: …dedicated to the memory of Zubayr, one of the companions of the Prophet Muhammad who was killed in the Battle of the Camel (656), fought outside the town walls. Over the centuries the city of Basra moved progressively eastward in its search for water, each time abandoning the western quarters,…

Rābiḥ az-Zubayr: …the military service of az-Zubayr Pasha, a Sudanese prince. Rābiḥ was loyal and capable, and he rose to a position of command. When in 1878 az-Zubayr rebelled against the Egyptian administration of the Sudan, Rābiḥ gave him loyal support. Az-Zubayr, however, was defeated, and rather than surrender, as did…

Rābiḥ az-Zubayr: …the military service of az-Zubayr Pasha, a Sudanese prince. Rābiḥ was loyal and capable, and he rose to a position of command. When in 1878 az-Zubayr rebelled against the Egyptian administration of the Sudan, Rābiḥ gave him loyal support. Az-Zubayr, however, was defeated, and rather than surrender, as did…

Rābiḥ az-Zubayr: …the military service of az-Zubayr Pasha, a Sudanese prince. Rābiḥ was loyal and capable, and he rose to a position of command. When in 1878 az-Zubayr rebelled against the Egyptian administration of the Sudan, Rābiḥ gave him loyal support. Az-Zubayr, however, was defeated, and rather than surrender, as did…

Al-Zubayr, town, southeastern Iraq. Located just southeast of Lake al-Ḥammār at the terminus of a railway line to Baghdad, it has long been important in trade with Saudi Arabia and Kuwait to the south. Before the founding of Baghdad in 762, Basra, Kufa, and Wasit were the largest and most important

Al-Zubayr: …dedicated to the memory of Zubayr, one of the companions of the Prophet Muhammad who was killed in the Battle of the Camel (656), fought outside the town walls. Over the centuries the city of Basra moved progressively eastward in its search for water, each time abandoning the western quarters,…

Rābiḥ az-Zubayr was a Muslim military leader who established a military hegemony in the districts immediately east of Lake Chad. Rābiḥ was enslaved as a child and later enrolled in the military service of az-Zubayr Pasha, a Sudanese prince. Rābiḥ was loyal and capable, and he rose to a position of

Libra: … are faint; the brightest star, Zubeneschamali (Arabic for “northern claw,” as it was earlier regarded as part of Scorpius; also called Beta Librae), has a magnitude of 2.6.

Etta Zuber Falconer was an American educator and mathematician who influenced many African American women to choose careers in science and mathematics. Zuber graduated summa cum laude from Fisk University in Nashville, Tenn., in 1953 with a bachelor’s degree in mathematics. Among her teachers at

Xavier Zubiri was a Spanish Christian Existential philosopher who was known for his analysis of reality in terms of the interrelations of philosophy, science, and religion. Zubiri studied theology in Rome, philosophy in Madrid (under José Ortega y Gasset) and in Freiburg, Ger., and physics and

surveillance capitalism: … was coined by Harvard economist Shoshana Zuboff, who described three steps in its historical development and normalization. Zuboff argued that in the late 20th and early 21st centuries, companies had begun to practice “incursion,” identifying how to profit from online human behavior such as searching on Google or creating a…

Francesco Zuccarelli was an Italian Rococo painter who influenced 18th-century English landscape painting. Zuccarelli apparently began his artistic training very early with Paolo Anesi and later worked in Rome with Giorgio Morandi and his pupil Pietro Nelli. After returning briefly to Florence, he

Federico Zuccaro was an Italian painter and art theorist who became the central figure of the Roman Mannerist school and, after the death of Titian, possibly the best known painter in Europe. Between 1555 and 1563 Zuccaro was the helper and pupil of his older brother, the painter Taddeo Zuccaro.

Taddeo Zuccaro was an Italian painter, leader (with his brother Federico Zuccaro) of the Roman Mannerist school of painting. Largely self-trained at Rome, Taddeo Zuccaro was influenced by the works of Perino del Vaga and Polidoro da Caravaggio. From the early 1550s he executed many decorative

Federico Zuccaro was an Italian painter and art theorist who became the central figure of the Roman Mannerist school and, after the death of Titian, possibly the best known painter in Europe. Between 1555 and 1563 Zuccaro was the helper and pupil of his older brother, the painter Taddeo Zuccaro.

Federico Zuccaro: …own house in Rome (Palazzo Zuccaro). After Taddeo’s death in 1566, Federico completed some of his brother’s unfinished commissions, including in the Villa Farnese at Caprarola; in the Sala Regia, where he painted Henry IV Before Gregory VII (1566); and at San Lorenzo (1568–70). He traveled through Spain, England,…

Taddeo Zuccaro was an Italian painter, leader (with his brother Federico Zuccaro) of the Roman Mannerist school of painting. Largely self-trained at Rome, Taddeo Zuccaro was influenced by the works of Perino del Vaga and Polidoro da Caravaggio. From the early 1550s he executed many decorative

Miliana, town, northwestern Algeria. Miliana is located in the northern Tell Atlas Mountains about 100 miles (160 km) southwest of Algiers. It lies on the wooded southern flank of Mount Zaccar Rherbi and overlooks the Chelif River valley to the east and south and the Zaccar plateau to the west.

Francesco Zuccarelli was an Italian Rococo painter who influenced 18th-century English landscape painting. Zuccarelli apparently began his artistic training very early with Paolo Anesi and later worked in Rome with Giorgio Morandi and his pupil Pietro Nelli. After returning briefly to Florence, he

zucchetto, small skullcap worn by Roman Catholic clergy. The zucchetto is often worn on its own, as well as under the mitre. It can also be used under the biretta or papal tiara to help protect them from wear. Bishops, including cardinals, archbishops, and the pope, may wear a zucchetto during the

Niccolò Zucchi was an Italian astronomer who, in approximately 1616, designed one of the earliest reflecting telescopes, antedating those of James Gregory and Sir Isaac Newton. A professor at the Jesuit College in Rome, Zucchi developed an interest in astronomy from a meeting with Johannes Kepler.

zucchini, (Cucurbita pepo), variety of summer squash in the gourd family (Cucurbitaceae), grown for its edible fruits. Zucchinis are common in home gardens and supermarkets, and the young fruits are cooked as a vegetable. The flowers are also edible and are sometimes fried. Zucchini plants are

Donatello: Early career: …the eastern niches; the so-called Zuccone (“Pumpkin,” because of its bald head); and the so-called Jeremiah (actually Habakkuk) for the western niches. The Zuccone is deservedly famous as the finest of the campanile statues and one of the artist’s masterpieces. In both the Zuccone and the Jeremiah (1427–35), their whole…

Mark Zuckerberg is an American computer programmer who was cofounder and CEO (2004– ) of Facebook, a social networking website. After attending Phillips Exeter Academy, Zuckerberg enrolled at Harvard University in 2002. On February 4, 2004, he launched thefacebook.com (renamed Facebook in 2005), a

Mark Zuckerberg is an American computer programmer who was cofounder and CEO (2004– ) of Facebook, a social networking website. After attending Phillips Exeter Academy, Zuckerberg enrolled at Harvard University in 2002. On February 4, 2004, he launched thefacebook.com (renamed Facebook in 2005), a

Philip Roth: … (film 2019) under the title Zuckerman Bound (1985). After a fourth Zuckerman novel, The Counterlife (1986), Roth released Sabbath’s Theater (1995), about the aging and lascivious Mickey Sabbath, a former puppeteer; it won the National Book Award.

Philip Roth: Two later novels, Zuckerman Unbound (1981) and The Anatomy Lesson (1983), trace his writer-protagonist’s subsequent life and career and constitute the Zuckerman trilogy. These three works were republished together with the novella The Prague Orgy (film 2019) under the title Zuckerman Bound (1985). After a fourth Zuckerman novel,…

Yitzhak Zuckerman was a hero of Jewish resistance to the Nazis in World War II and one of the few survivors of the Warsaw Ghetto Uprising. Zuckerman was active in a federation of young Zionist organizations, Hehalutz, and early favoured armed resistance to Nazi depredations against the Jews. He was

Project Ozma: …at the same observatory by Benjamin Zuckerman and Patrick Palmer, who intermittently monitored more than 650 nearby stars for about four years (1973–76).

The Atlantic: Mortimer Zuckerman bought the magazine in 1980, but, despite his efforts, the publication continued to struggle. In 1999 he sold it to David G. Bradley, owner of the National Journal Group. Bradley invested millions in The Atlantic Monthly and oversaw numerous changes. The number of…

Yitzhak Zuckerman was a hero of Jewish resistance to the Nazis in World War II and one of the few survivors of the Warsaw Ghetto Uprising. Zuckerman was active in a federation of young Zionist organizations, Hehalutz, and early favoured armed resistance to Nazi depredations against the Jews. He was

Carl Zuckmayer was a German playwright whose works deal critically with many of the problems engendered by two world wars. Zuckmayer served for four years in the German army in World War I and thereafter devoted himself to writing. In spite of his association in 1924 with the avant-garde playwright

Dhofar, historical region in southern Oman, extending from Cape Al-Sharbatāt on the coast of the Arabian Sea southwestward to the Oman-Yemen border. The region’s northern boundary has never been defined, but generally included in the territory is the Wadi Mughshin, located about 150 miles (240 km)

Zug, capital of Zug canton, north central Switzerland, on the northeastern shore of Lake Zug (Zugersee), at the foot of the Zugerberg (3,409 ft [1,039 m]), just south of Zürich. First mentioned in 1242 as a possession of the counts of Kyburg, it was purchased by Rudolf IV of Habsburg (later Rudolf

Zug, smallest undivided canton of Switzerland, with an area of 92 sq mi (239 sq km), of which 12 sq mi are occupied by Lakes Zug and Ägeri. Bounded by the cantons of Lucerne and Aargau on the west, Zürich on the north, and Schwyz on the east and south, Zug lies on the hilly central Swiss Plateau,

Heinrich Böll: …Der Zug war pünktlich (1949; The Train Was on Time) and Wo warst du Adam? (1951; Adam, Where Art Thou?), he describes the grimness and despair of soldiers’ lives. The uneasiness of reality is explored in the life of a mechanic in Das Brot der frühen Jahre (1955; The Bread…

Western architecture: Poland: …(1775–93) for the king, while Szymon Bogumił Zug brought Neoclassicism to ecclesiastical architecture in his Lutheran Church, Warsaw (1777–81), modeled on the Pantheon. Zug also designed Arkadia (1777–98), one of the many picturesque gardens in Poland. Laid out on the Radziwiłł family estate of Nieborow, the garden contains numerous Romantic…

Talmud and Midrash: Early compilations: …judicial body headed by the zugot—pairs of scholars—assumed Halakhic authority. There were five pairs in all, between c. 150 and 30 bce. The first of the zugot also introduced the Mishnaic style of transmitting the oral tradition.

Zugspitze, mountain on the border between Germany and Austria, the highest point (9,718 feet [2,962 metres]) in Germany. Zugspitze is part of the Wettersteingebirge in the Bavarian Alps. The mountain is approached on the west by an aerial tramway (built 1924–26) from the village of Eibsee, and on

Iraq: The local despotisms in the 17th century: The Treaty of Qaṣr-e Shīrīn (also called the Treaty of Zuhāb) of 1639 brought an end to 150 years of intermittent warfare between the Ottomans and Safavids and established a boundary between the two empires that remained virtually unchanged into modern times. Ottoman sovereignty had been…

Zuhayr ibn Abī Sulmā was one of the greatest of the Arab poets of pre-Islamic times, best known for his long ode in the Muʿallaqāt collection. Zuhayr was from the Muzaynah tribe but lived among the Ghaṭafān. Zuhayr’s father was a poet, his first wife the sister of a poet, and two of his sons were

Zuhayr ibn Abī Sulmā was one of the greatest of the Arab poets of pre-Islamic times, best known for his long ode in the Muʿallaqāt collection. Zuhayr was from the Muzaynah tribe but lived among the Ghaṭafān. Zuhayr’s father was a poet, his first wife the sister of a poet, and two of his sons were

zuhd, (Arabic: “detachment”), in Islam, asceticism. Even though a Muslim is permitted to enjoy fully whatever unforbidden pleasure God bestows on him, Islam nevertheless encourages and praises those who shun luxury in favour of a simple and pious life. The Qurʾān (Islamic scripture) is full of

Arabic literature: Later genres: (wine poems), ṭardiyyāt (hunt poems), zuhdiyyāt (ascetic poems), and ghazal (love poems).

Abū al-ʿAtāhiyah: …of his later years, the Zuhdīyāt (Ger. trans. by O. Rescher, 1928), collected in 1071 by the Spanish scholar Ibn ʿAbd al-Barr. The Zuhdīyāt depicts the leveling of the rich and powerful by the horrors of death; these poems found an enthusiastic following among the masses, as well as being…

Arabic literature: Later genres: (wine poems), ṭardiyyāt (hunt poems), zuhdiyyāt (ascetic poems), and ghazal (love poems).

Islamic arts: Indian literature in Persian: …the lyrics and mas̄navīs by Ẓuhūrī (died 1615) at the court of Bijāpur are charming and enjoyable.

South African Republic (SAR), 19th-century Boer state formed by Voortrekkers (Boer migrants from the British Cape Colony) in what is now northern South Africa. Its internationally recognized existence began with the Sand River Convention in 1852, when the British withdrew from the Southern African

Zuid-Holland, provincie, western Netherlands, bordering the North Sea and adjoining the provincies of Noord-Holland (north), Utrecht and Gelderland (east), and Noord-Brabant and Zeeland (south). Drained by the ramifications of the Lek, Waal, and Maas (Meuse) rivers, Zuid-Holland includes the

IJsselmeer Polders: The South (Zuidelijk) Flevoland Polder (166 square miles [430 square km]) was completed in 1968. A fifth potential polder is the Markerwaard Polder in southwest IJsselmeer. Under construction since 1963, its diking was partially complete by the mid-1980s, but plans were then abandoned.

Hendrick de Keyser: …in Amsterdam, such as the Zuiderkerk (1606–14; “South Church”), the first Protestant church in the Netherlands; the East India House (1606); and his greatest building, the Westerkerk (1620–38; “West Church”).

Zuiderzee, former inlet of the North Sea. From the 13th to the 20th century, the Zuiderzee penetrated the Netherlands and occupied some 2,000 square miles (5,000 square km); it was separated from the North Sea by an arc of former sandflats that are now the West Frisian Islands. From about 400 ce

Zuiderzee floods, two catastrophic seawall collapses along the Netherlands’ coastline that caused major flooding of the former Zuiderzee (now IJsselmeer). The first, in 1287, caused more than 50,000 casualties, and the second, in 1421, killed up to 10,000 people. On Dec. 14, 1287, a heavy storm

IJsselmeer Polders: The Zuiderzee project, which involved the construction of a dam (Afsluitdijk; completed 1932) enclosing the IJsselmeer and the subsequent land reclamation of its rich marine clay, began in 1920, following the plans of engineer-statesman Cornelis Lely. The Wieringermeer Polder (75 square miles [193 square km]), the…

Battle on the Zuiderzee, sea battle fought on the Zuiderzee, an inland sea in the northern Netherlands, on October 11, 1573, between a royal Spanish fleet and Dutch rebels as part of the long Dutch Revolt. The battle resulted in a Spanish defeat. In 1569, the Spanish occupied Amsterdam, and Dutch

Zuid-Holland, provincie, western Netherlands, bordering the North Sea and adjoining the provincies of Noord-Holland (north), Utrecht and Gelderland (east), and Noord-Brabant and Zeeland (south). Drained by the ramifications of the Lek, Waal, and Maas (Meuse) rivers, Zuid-Holland includes the

Low Countries: The Zuidplaspolder northeast of Rotterdam is the lowest point in the Low Countries and lies 22 feet (6.76 metres) below sea level. The principal rivers of the Low Countries include the Schelde, Meuse (Maas), and branches of the lower Rhine. An extensive network of shipping canals…

Zutphen, gemeente (municipality), east-central Netherlands, at the confluence of the IJssel and Berkel rivers. Founded in the 11th century as Zuidveen (meaning “southern peat bog”), it became the seat of a line of independent counts until it passed to the counts of Gelderland in 1190. It was

Ouyang Xiu was a Chinese poet, historian, and statesman of the Song dynasty who reintroduced the simple “ancient style” in Chinese literature and sought to reform Chinese political life through principles of classical Confucianism. Ouyang Xiu’s father, a judge in Mianyang, died when Ouyang was

Ouyang Xiu: …an essay about it, “Zuiwengting ji” (“Old Drunkard Pavilion”), which has become one of the most celebrated works in Chinese literature. After a term (1050) as defense commander of the southern capital of Shangqiu, in Henan province, he was recalled to the capital in 1054 to become an academician…

William Donald Hamilton: With American ecologist Marlene Zuk, Hamilton also developed the Hamilton-Zuk hypothesis of sexual selection, which explains the evolutionary benefit behind the female preference for healthy, parasite-free males.

Jack Sharkey was an American world heavyweight-boxing champion from June 21, 1932, when he defeated Max Schmeling in 15 rounds at Long Island City, N.Y., until June 29, 1933, when he was knocked out by Primo Carnera in six rounds in New York City. (Read Gene Tunney’s 1929 Britannica essay on

Pinchas Zukerman is an Israeli American violinist, violist, and conductor who earned widespread acclaim in a career that spanned more than five decades. Zukerman began playing at about the age of seven; when he was eight he entered the Tel Aviv Academy of Music. In 1962, sponsored by violinist

Louis Zukofsky was an American poet, the founder of Objectivist poetry and author of the massive poem “A.” The son of Jewish immigrants from Russia, Zukofsky grew up in New York, attended Columbia University (M.A., 1924), and taught at Polytechnic Institute of Brooklyn (1947–1966). By the 1930s he

Adolph Zukor was an American entrepreneur who built the powerful Famous Players–Paramount motion-picture studio. Immigrating to the United States at age 15, Zukor entered the penny-arcade business in 1903. Between 1904 and 1912 he and his partner Marcus Loew controlled a chain of theatres; in 1912

Eduard Bernstein: …with the German socialist organ, Die Zukunft (“The Future”). The economic crisis of 1873, which continued into the 1890s, reinforced his belief in the fragility of capitalism. It was, however, Chancellor Otto von Bismarck’s anti-socialist laws that finally impelled him toward a more radical position. Exiled from Germany, he emigrated…

Marie Luise Kaschnitz: …Poems of the Times”) and Zukunftsmusik (1950; “Music of the Future”), she expressed an anguished, unflinching vision of the modern world that was nevertheless tempered by guarded feelings of optimism and hope. Such later collections of poems as Dein Schweigen, meine Stimme (1962; “Your Silence, My Voice”) reflect the sorrow…

Vistula River: Physiography: …from the left—the Vistula enters Żuławy Wiślane, its delta area, renowned for its splendidly fertile soils. Żuławy is a forestless plain, partly below sea level, threaded by the Vistula and its branches, together with a great number of canals and drainage ditches. Some of the local embankments and dikes date…

Max Beerbohm: …1897 and his only novel, Zuleika Dobson, a burlesque of Oxford life, in 1911. The Christmas Garland (1912) is a group of Christmas stories that mirror the stylistic faults of a number of well-known writers, notably Henry James. His collection of stories, Seven Men (1919), is a masterpiece.