Titus Pomponius Atticus: …not an orthodox Epicurean; in De finibus (“On Goals”), Cicero interrupts an anti-Epicurean polemic to praise Atticus as a connoisseur of Roman memorabilia.

Laura de Force Gordon was an American lawyer, editor, and reformer, one of the first women in the American West to speak and campaign for women’s rights, who also pioneered in professions normally reserved for men. Laura de Force attended local schools in her hometown. In 1862 she married Charles

Lee de Forest was an American inventor of the Audion vacuum tube, which made possible live radio broadcasting and became the key component of all radio, telephone, radar, television, and computer systems before the invention of the transistor in 1947. Although de Forest was bitter over the

Carl Jacobi: Jacobi’s De Formatione et Proprietatibus Determinantium (1841; “Concerning the Structure and Properties of Determinants”) made pioneering contributions to the theory of determinants. He invented the functional determinant (formed from the n2 differential coefficients of n given functions with n independent variables) that bears his name and…

Hieronymus Fabricius ab Aquapendente: Fabricius’ De Formato Foetu (1600; “On the Formation of the Fetus”), summarizing his investigations of the fetal development of many animals, including man, contained the first detailed description of the placenta and opened the field of comparative embryology. He also gave the first full account of…

Johannes Kepler: Astronomical work of Johannes Kepler: …De Fundamentis Astrologiae Certioribus (1601; Concerning the More Certain Fundamentals of Astrology), this work proposed to make astrology “more certain” by basing it on new physical and harmonic principles. It showed both the importance of astrological practice at the imperial court and Kepler’s intellectual independence in rejecting much of what…

Edgar Degas was a French painter, sculptor, and printmaker who was prominent in the Impressionist group and widely celebrated for his images of Parisian life. Degas’s principal subject was the human—especially the female—figure, which he explored in works ranging from the somber portraits of his

Giulio Andreotti: He was the author of De Gasperi e il suo tempo (1956; “De Gasperi and His Time”) and other books.

Alcide De Gasperi was a politician and prime minister of Italy (1945–53) who contributed to the material and moral reconstruction of his nation after World War II. From the age of 24 De Gasperi directed the journal Il Nuovo Trentino, in which he defended Italian culture and the economic interests

Stand Watie was a Cherokee chief who signed the treaty forcing tribal removal of the Cherokees from Georgia and who later served as brigadier general in the Confederate Army during the U.S. Civil War. Watie learned to speak English when, at the age of 12, he was sent to a mission school. He later

Charles de Gaulle was a French soldier, writer, statesman, and architect of France’s Fifth Republic. De Gaulle was the second son of a Roman Catholic, patriotic, and nationalist upper-middle-class family. The family had produced historians and writers, and his father taught philosophy and

Charles De Geer was a Swedish entomologist. A member of a wealthy aristocratic Swedish family that had originated in Brabant (modern Belgium), De Geer himself grew up in Holland but returned to Sweden in 1739. Because of his wealth and heritage (rather than because of any youthful accomplishments),

Gerhard, Baron De Geer was a Swedish geologist, originator of the varve-counting method used in geochronology. De Geer was appointed to the Swedish Geological Survey in 1878 and received a master’s degree in geology from Uppsala University in 1879. He studied the glaciers of Spitsbergen in a series

Sweden: Parliamentary reform: …the minister of justice, Baron Louis De Geer, completed the reforms. From the beginning of the 19th century, the most important of the liberal demands had been for a reform of the system of representation. It was not until 1865–66 that agreement was reached to replace the old Riksdag—with its…

Giovanni Boccaccio: Petrarch and Boccaccio’s mature years: His encyclopedic De genealogia deorum gentilium (“On the Genealogy of the Gods of the Gentiles”), medieval in structure but humanist in spirit, was probably begun in the very year of his meeting with Petrarch but was continuously corrected and revised until his death. His Bucolicum carmen (1351–66),…

Aristotle: Travels: …the Parts of Animals and On the Generation of Animals. Although Aristotle did not claim to have founded the science of zoology, his detailed observations of a wide variety of organisms were quite without precedent. He—or one of his research assistants—must have been gifted with remarkably acute eyesight, since some…

Christianity: Western Catholic Christianity: Later, in the Literal Commentary on Genesis, he introduced a triple classification of visions—corporeal, spiritual (i.e., imaginative), and intellectual—that influenced later mystics for centuries. Although he was influenced by Neoplatonist philosophers such as Plotinus, Augustine did not speak of personal union with God in this life. His teaching,…

Martianus Minneus Felix Capella: …arte dialectica, De arte rhetorica, De geometrica, De arithmetica, De astrologia, and De harmonia. Mercury gives his bride, who is made divine, seven maidens, and each declaims on that one of the seven liberal arts that she represents. The prose style is often dry, but in parts it is influenced…

Michel de Montaigne: Life: He also met Marie de Gournay, an ardent and devoted young admirer of his writings. De Gournay, a writer herself, is mentioned in the Essays as Montaigne’s “covenant daughter” and was to become his literary executrix. After the assassination of Henry III in 1589, Montaigne helped to keep…

history of logic: St. Anselm and Peter Abelard: …discussed semantical questions in his De grammatico and investigated the notions of possibility and necessity in surviving fragments, but these texts did not have much influence. More important was Anselm’s general method of using logical techniques in theology. His example set the tone for much that was to follow.

semi-Pelagianism: …request of Provence bishops wrote De gratia (“Concerning Grace”), in which semi-Pelagianism was given its final form and one more naturalistic than that provided by Cassian.

St. Augustine: Controversial writings: …et de peccato originali (418; On the Grace of Christ and on Original Sin) is a more methodical exposition. The hardest positions Augustine takes in favor of predestination in his last years appear in De praedestinatione sanctorum (429; The Predestination of the Blessed) and De dono perseverantiae (429; The Gift…

De Grey River, river in northwestern Western Australia. It rises as the Oakover River in the Robertson Range, 150 miles (240 km) southeast of Marble Bar, and flows north. Midway in its course, it turns northwest to join the Nullagine River and becomes the De Grey. The seasonally intermittent

Hugo Grotius was a Dutch jurist and scholar whose masterpiece De Jure Belli ac Pacis (1625; On the Law of War and Peace) is considered one of the greatest contributions to the development of international law. Also a statesman and diplomat, Grotius has been called the “father of international law.”

Pieter Geyl: A collection of articles, De Groot-Nederlandsche gedachte, appeared in 1925 (a second volume was added in 1930), dealing with the concept of unity in the history of Holland and Flanders and generally sympathetic to the development of the nation-state. His greatest contribution, Geschiedenis van de Nederlandse stam, 6 vol.…

Girolamo Aleandro: …work is his unfinished treatise De habendo Concilio, setting forth his views on the Council of Trent, of which he was an ardent supporter. This and other documents of Aleandro in the Vatican Library, relating to his opposition to Luther, were used in Sforza Pallavicino’s Istoria del Concilio Tridentino (1656;…

Samuel, baron von Pufendorf: Career in Sweden: In 1687 he published Of the Nature and Qualification of Religion in Reference to Civil Society, which set forth the civil superiority of the state over the church but also defended the church’s power in ecclesiastical matters as well as the freedom of conscience of the individual. His approach…

Martianus Minneus Felix Capella: >De harmonia. Mercury gives his bride, who is made divine, seven maidens, and each declaims on that one of the seven liberal arts that she represents. The prose style is often dry, but in parts it is influenced by the style of the Metamorphoses of…

Hucbald: His treatise De harmonica institutione describes the gamut (the series of recognized musical notes) and the eight modes. He also wrote poems, metrical prayers, and hymns.

Geoffrey de Havilland: …September 1920 he formed the De Havilland Aircraft Company. The success of the Moth, a light two-seater, made the company financially successful and started the flying club movement in Great Britain. In World War II the company’s most successful product was the twin-engined Mosquito, a high-speed, all-purpose aircraft of plywood…

aerospace industry: World War I: …the two-seat British De Havilland DH-4 bomber and the American-designed Curtiss JN-4 Jennie trainer. By the end of the war 4,500 DH-4s had been built in the United States, 1,213 of which were shipped to Europe. Although American production was too late to matter militarily, by the 1918 Armistice American…

Mosquito, British twin-engine two-seat mid-wing bomber aircraft that was adapted to become the prime night fighter of the Allies during World War II. The Mosquito had a frame of wood and a skin of plywood, and it was glued and screwed together in England, Canada, and Australia. The plane was

history of flight: General aviation: …De Havilland (later, Hawker Siddeley) Dove arrived in 1945 as a low-wing design with retractable gear and a capacity for 11 passengers. It remained in production through the 1960s, with 554 Doves built, including 200 for military operators. The second aircraft was the Britten-Norman Islander, with headquarters located on the…

Geoffrey de Havilland: The success of the Moth, a light two-seater, made the company financially successful and started the flying club movement in Great Britain. In World War II the company’s most successful product was the twin-engined Mosquito, a high-speed, all-purpose aircraft of plywood construction. After the war, he pioneered the Comet…

Geoffrey de Havilland was an English aircraft designer, manufacturer, and pioneer in long-distance jet flying. He was one of the first to make jet-propelled aircraft, producing the Vampire and Venom jet fighters. In 1910 he successfully built and flew an airplane with a 50-horsepower engine. De

Joan Fontaine was an English American actress who was known for her portrayals of troubled beauties. De Havilland was born in Tokyo, where her English father worked as a patent attorney and language professor; her mother was an actress. In 1919 she and her elder sister, Olivia, moved with their

Olivia de Havilland was an American motion-picture actress remembered for the lovely and gentle ingenues of her early career as well as for the later, more substantial roles she fought to secure. The daughter of a British patent attorney, de Havilland and her younger sister, Joan Fontaine, moved to

biology: Botanical investigations: …historia et causis plantarum (The Calendar of Flora, 1761), in which the morphology, natural history, and therapeutic use of plants are described, Theophrastus distinguished between the external parts, which he called organs, and the internal parts, which he called tissues. This was an important achievement because Greek scientists of…

Aagje Deken: …on the first Dutch novel, De historie van mejuffrouw Sara Burgerhart, 2 vol. (1782; “The History of Miss Sara Burgerhart”).

Ede: Nearby De Hoge Veluwe National Park has St. Hubertus Castle and the Kröller-Müller State Museum. The latter institution has an outstanding collection of paintings by the Dutch artist Vincent van Gogh. Ede’s industries include metallurgy, the manufacture of rayon and pianos, and dairy food processing. Pop. (2007…

Thomas Hobbes: Intellectual development of Thomas Hobbes: …trilogy—De Corpore (1655; “Concerning Body”), De Homine (1658; “Concerning Man”), and De Cive (1642; “Concerning the Citizen”)—was his attempt to arrange the various pieces of natural science, as well as psychology and politics, into a hierarchy, ranging from the most general and fundamental to the most specific. Although logically constituting…

Giovanni Pico della Mirandola, count di Concordia: …scholar and Platonist philosopher whose De hominis dignitate oratio (“Oration on the Dignity of Man”), a characteristic Renaissance work composed in 1486, reflected his syncretistic method of taking the best elements from other philosophies and combining them in his own work.

Jaap de Hoop Scheffer is a Dutch politician who served as secretary-general (2004–09) of the North Atlantic Treaty Organization (NATO). De Hoop Scheffer graduated with a degree in law from Leiden University in 1974, having written his thesis on the U.S. military presence in Europe following World

Jaap de Hoop Scheffer is a Dutch politician who served as secretary-general (2004–09) of the North Atlantic Treaty Organization (NATO). De Hoop Scheffer graduated with a degree in law from Leiden University in 1974, having written his thesis on the U.S. military presence in Europe following World

autopsy: History of autopsy: …work of Andreas Vesalius (De humani corporis fabrica, 1543) that made it possible to distinguish the abnormal, as such (e.g., an aneurysm), from the normal anatomy. Leonardo da Vinci dissected 30 corpses and noted “abnormal anatomy”; Michelangelo, too, performed a number of dissections. Earlier, in the 13th century, Frederick…

autopsy: History of autopsy: …work of Andreas Vesalius (De humani corporis fabrica, 1543) that made it possible to distinguish the abnormal, as such (e.g., an aneurysm), from the normal anatomy. Leonardo da Vinci dissected 30 corpses and noted “abnormal anatomy”; Michelangelo, too, performed a number of dissections. Earlier, in the 13th century, Frederick…

Leon Battista Alberti: Contribution to philosophy, science, and the arts of Leon Battista Alberti: …the princely Lorenzo de’ Medici, De iciarchia (“On the Man of Excellence and Ruler of His Family”) represents in full flower the public-spirited Humanism of the earlier bourgeois age to which he belonged. Alberti is its chief protagonist, and no more appropriate figure is conceivable. For this dialogue, more than…

Domingo Gundisalvo: …anima (“On the Soul”) and De immortalitate animae (“On the Immortality of the Soul”), suggest the Neoplatonic argument for the soul’s natural immortality that markedly influenced later Scholastic philosophers—e.g., Bonaventure and Albertus Magnus—at the University of Paris.

Pietro Pomponazzi: …author of the lengthy treatises De incantationibus (1556; “On Incantations”), which proposed a natural explanation of several reputedly miraculous phenomena, and De fato (1567; “On Fate”), which discusses predestination and free will.

Pietro Paolo Vergerio: …the papal court, he composed De ingenuis moribus et liberalibus studiis (1402–03; “On the Manners of a Gentleman and Liberal Studies”), the most influential of Italian Renaissance educational treatises. De ingenuis passed through 40 editions before 1600. In it Vergerio advocated maintaining Latin as the core of liberal education, reviving…

Aristotle: Propositions and categories: The De interpretatione, like the Prior Analytics, deals mainly with general propositions beginning with Every, No, or Some. But its main concern is not to link these propositions to each other in syllogisms but to explore the relations of compatibility and incompatibility between them. Every swan…

Geber: …and De inventione veritatis (The Invention of Verity, 1678). They are the clearest expression of alchemical theory and the most important set of laboratory directions to appear before the 16th century. Accordingly, they were widely read and extremely influential in a field where mysticism, secrecy, and obscurity were the…

Geber: … 1678), De investigatione perfectionis (The Investigation of Perfection, 1678), and De inventione veritatis (The Invention of Verity, 1678). They are the clearest expression of alchemical theory and the most important set of laboratory directions to appear before the 16th century. Accordingly, they were widely read and extremely influential in…

Seneca: Philosophical works and tragedies: The De ira (On Anger) deals at length with the passion, its consequences, and control. The De clementia (On Mercy), an exhortatory address to Nero, commends mercy as the sovereign quality for a Roman emperor. De tranquillitate animi (On Mental Tranquility), De constantia sapientis (On the Steadfastness of…

Stoicism: Stoic undercurrents in medieval thought: …called De ira Dei (313; On the Anger of God). It poses a problem of how to deal with the essentially Greek, or philosophical, view that God cannot feel anger because he is not subject to passions and that apatheia (“apathy,” or “imperturbableness”) is not merely the mark of the…

Middle Eastern religion: Literary sources of knowledge of ancient Middle Eastern religion: The Greek biographer Plutarch’s De Iside et Osiride (“Concerning Isis and Osiris”) is still the best description of the Egyptian myth of Isis and Osiris and of the cult of the dead. The Greek satirist Lucian’s De Dea Syra (“Concerning the Syrian Goddess”) is of enduring value for an…

Italian literature: Religious poetry: …Giacomino da Verona, author of De Jerusalem celesti (c. 1250; “On the Heavenly Jerusalem”) and De Babilonia civitate infernali (c. 1250; “On the Infernal City of Babylon”), were the liveliest and most imaginative of this group.

Faustus Socinus: …study of Scripture, he wrote De Jesu Christo servatore (completed 1578, published 1594), his most important work.

map: Maps of the discoveries: …1570; Gerard (and his son Cornelis) de Jode; and Jadocus Hondius. Early Dutch maps were among the best for artistic expression, composition, and rendering. Juan de la Cosa, the owner of Columbus’ flagship, Santa María, in 1500 produced a map recording Columbus’ discoveries, the landfall of Cabral in Brazil, Cabot’s…

map: Maps of the discoveries: …modern world atlas in 1570; Gerard (and his son Cornelis) de Jode; and Jadocus Hondius. Early Dutch maps were among the best for artistic expression, composition, and rendering. Juan de la Cosa, the owner of Columbus’ flagship, Santa María, in 1500 produced a map recording Columbus’ discoveries, the landfall of…

children’s literature: Contemporary times: …one modern American master in Meindert De Jong, whose most sensitive work was drawn from recollections of his Dutch early childhood. A Hans Christian Andersen and Newbery winner, he is best savoured in The Wheel on the School (1954), and especially in the intuitive Journey from Peppermint Street (1968). The…

Luigi Boccherini: Early life: From Boccherini’s contact with Madame Brillon de Jouy, the harpsichordist, came the Six Sonatas for Harpsichord and Violin, G 25–30.

de jure, legal concept that refers to what happens according to the law, in contrast to de facto (Latin: “from the fact”), which is used to refer to what happens in practice or in reality. For example, a de jure leader has the legal right to authority over a jurisdiction, but a de facto leader is

Hugo Grotius: Life in exile: De Jure Belli ac Pacis: While in Paris, Grotius published his legal masterpiece, De Jure Belli ac Pacis, in 1625. In writing this work, which made full use of De Jure Praedae, he was strongly influenced by the bitter, violent political struggles both in his…

international law: Historical development: …jure belli libri tres (1598; Three Books on the Law of War), which contained a comprehensive discussion of the laws of war and treaties. Gentili’s work initiated a transformation of the law of nature from a theological concept to a concept of secular philosophy founded on reason. The Dutch jurist…

international law: Historical development: …jure belli libri tres (1598; Three Books on the Law of War), which contained a comprehensive discussion of the laws of war and treaties. Gentili’s work initiated a transformation of the law of nature from a theological concept to a concept of secular philosophy founded on reason. The Dutch jurist…

census: Modern census procedure: A “de jure” census tallies people according to their regular or legal residence, whereas a “de facto” census allocates them to the place where enumerated—normally where they spend the night of the day enumerated. By either method, the reported territorial distribution is according to where people…

Theodore Beza: His De jure magistratum (1574; “On the Rights of the Magistrate”), defending the right of revolt against tyranny, grew out of the Massacre of St. Bartholomew’s Day (1572), from which many surviving French Protestants were welcomed by Beza in Geneva. Beza’s book overthrew the earlier Calvinist…

Samuel, baron von Pufendorf: Career in Sweden: …he published his great work, Of the Law of Nature and Nations. The following year he published an excerpt from it, titled The Whole Duty of Man According to the Law of Nature, in which Pufendorf departed from the traditional approach of the medieval theologians to natural law and based…

De Jure Praedae, comprehensive 17th-century work by Hugo Grotius that examines the historical, political, and legal aspects of war and is widely credited as a major foundation of international law because of its argument against the territorial sovereignty of the world’s coastal waters. Grotius was

George Buchanan: De jure regni apud Scotos (1579), the most important of his political writings, was a resolute assertion of limited monarchy in dialogue form; Rerum Scoticarum historia (1582), which he was completing at the time of his death, traces the history of Scotland from the mythical…

Johann Kalb was a prominent German officer who fought for the Continental Army in the American Revolution. Of peasant antecedents, Kalb was schooled at Kriegenbronn and left home at age 16. He received his first military training in 1743 as a lieutenant in a German regiment of the French infantry,

F.W. de Klerk was a politician who as president of South Africa (1989–94) brought the apartheid system of racial segregation to an end and negotiated a transition to majority rule in his country. He and Nelson Mandela jointly received the 1993 Nobel Prize for Peace for their collaboration in

F.W. de Klerk was a politician who as president of South Africa (1989–94) brought the apartheid system of racial segregation to an end and negotiated a transition to majority rule in his country. He and Nelson Mandela jointly received the 1993 Nobel Prize for Peace for their collaboration in

Enschede: …the triennial meeting place of De Kogge, an association of Dutch, Flemish, and German writers. Boekelo is a summer resort. Enschede metropolitan area is contiguous with Hengelo. Pop. (2007 est.) 154,476.

Elaine de Kooning was an American painter, teacher, and art critic who is perhaps best known for her portraits. A precocious young artist with a competitive streak that found an outlet in sports, Elaine Marie Catherine Fried graduated from Erasmus Hall High School in Brooklyn and briefly attended

Willem de Kooning was a Dutch-born American painter who was one of the leading exponents of Abstract Expressionism, particularly the form known as Action painting. During the 1930s and ’40s de Kooning worked simultaneously in figurative and abstract modes, but by about 1945 these two tendencies

Reginald De Koven was an American composer, conductor, and critic who helped establish the style of American light opera. De Koven graduated from the University of Oxford (1879) and studied composition in Germany, Austria, and France. On his return to the United States he contributed music

Reginald De Koven was an American composer, conductor, and critic who helped establish the style of American light opera. De Koven graduated from the University of Oxford (1879) and studied composition in Germany, Austria, and France. On his return to the United States he contributed music

Jean Ray was a Belgian novelist, short-story writer, and journalist who is known for his crime fiction and narratives of horror and the fantastic in both French and Flemish (Dutch). De Kremer worked as a city employee, from 1910 to 1919, before working as a journalist (1919–40). He began to publish

Germaine de Staël: Banishment from Paris of Germaine de Staël: …fruits of her visit to Germany are contained in her most important work, De l’Allemagne (1810; Germany). This is a serious study of German manners, literature and art, philosophy and morals, and religion in which she made known to her contemporaries the Germany of the Sturm und Drang movement (1770–1780).…

On Love, philosophical discourse by Stendhal, published in 1822 as De l’amour. The work was prompted by Stendhal’s hopeless love for Métilde Dembowski. The first part of On Love is an analysis of love, in which Stendhal lists four kinds of love: physical love, purely sexual in scope; love as a

Bernard Palissy: …early researches are described in De l’art de la terre.

Jean de La Taille: …Saül le Furieux (1562) and De l’art de la tragédie, the most important piece of French dramatic criticism of its time. La Taille wrote for the limited audience of a lettered aristocracy, depreciated the native drama, and insisted on the Senecan model. In his preface to the collection of works…

René Laënnec: In 1819 Laënnec published De l’auscultation médiate (“On Mediate Auscultation”), the first discourse on a variety of heart and lung sounds heard through the stethoscope. The first English translation of De l’auscultation médiate was published in London in 1821. Laënnec’s treatise aroused intense interest, and physicians from throughout Europe…

France: Political ideology: …Pierre de Belloy, especially his De l’autorité du roi (1588; “Of the Authority of the King”). He asserted that the monarchy was created by God and that the king was responsible to God alone. Any rebellion against the ruler, therefore, was a rebellion against the Almighty. The essential premise of…

Claude-Adrien Helvétius: …and his celebrated philosophical work De l’esprit (1758; “On the Mind”), which immediately became notorious. For its attack on all forms of morality based on religion it aroused formidable opposition, particularly from the son of Louis XV, the dauphin Louis, though it was published openly with the benefit of royal…

The Spirit of Laws, principal work of the French political philosopher Montesquieu (in full Charles-Louis de Secondat, baron de La Brède et de Montesquieu) first published in 1748 as De L’Esprit des loix; ou, du rapport que les loix doivent avoir avec la constitution de chaque gouvernement, les

Denis Diderot: Late life and works: …a refutation of Helvétius’ work De l’homme (1772; “On Man”), which was an amplification of the destroyed De l’esprit. He wrote Entretien d’un philosophe avec la Maréchale (“Conversation with the Maréchale”) and published in 1778 Essai sur les règnes de Claude et de Néron (“Essay on the Reigns of Claudius…

Giordano Bruno: Works: …l’infinito universo e mondi (1584; On the Infinite Universe and Worlds), he developed his cosmological theory by systematically criticizing Aristotelian physics; he also formulated his Averroistic view of the relation between philosophy and religion, according to which religion is considered as a means to instruct and govern ignorant people, philosophy…

Philippe de Mornay, seigneur du Plessis-Marly: …and the publication of Mornay’s De l’institution . . . de l’Eucharistie (1598), in which he made use of scriptural quotations in an attack on Roman Catholic eucharistic doctrine, increased the breach between them. At a public disputation at Fontainebleau in 1600 with Jacques Davy Duperron, bishop of Évreux, it…

Hippolyte Taine: Publication of De l’intelligence: In 1870 he published the two volumes of De l’intelligence (On Intelligence), a major work in the discipline of psychology, which had interested him since his youth. His devotion to science is most fully illustrated here; he opposes the speculative and introspective approach…

Bernard Le Bovier, sieur de Fontenelle: …to historiography, shown in his De l’origine des fables (1724; “Of the Origin of Fables”), in which he supports the theory that similar fables arise independently in several cultures and also tentatively addresses himself to comparative religion.

Pierre Perrault: …De l’origine des fontaines (1674; On the Origin of Springs), he presented a study of a substantial section of the Seine River, beginning at its source, northwest of the city of Dijon. His numerical estimates demonstrated that the annual river runoff was only one-sixth of the amount of water falling…

anarchism: French anarchist thought: ” In The Political Capability of the Working Classes—his final, posthumously published work—Proudhon argued that liberation was the task of the workers themselves. He thereby laid the intellectual foundations of a movement that rejected democratic and parliamentary politics in favour of various forms of direct action.

Giordano Bruno: Works: …causa, principio e uno (1584; Concerning the Cause, Principle, and One) he elaborated the physical theory on which his conception of the universe was based: “form” and “matter” are intimately united and constitute the “one.” Thus, the traditional dualism of the Aristotelian physics was reduced by him to a monistic…

Guillaume du Vair: A Buckler, Against Adversitie, 1622). In this work he put forward an amalgam of Stoicism and Christianity that was well calculated to appeal to readers in a France torn apart by civil war. Philosophers such as Justus Lipsius had already attempted to fuse Christian and Stoic…

democracy: Democracy or republic?: …through his monumental four-volume study Democracy in America (1835–40).

Jacques-François Blondel: In the same year, Blondel’s De la distribution des maisons de plaisance et de la décoration des édifices en général (2 vol., 1737–38; “On the Designing of Country Seats and on the Decoration of Buildings in General”) began to appear. The work, while not original, expressed an ideal of the…

Blaise Pascal: Les Provinciales of Blaise Pascal: …forth in Antoine Arnauld’s treatise De la fréquente communion (1643), in which he protested against the idea that the profligate could atone for continued sin by frequent communion without repentance, a thesis that thereafter remained almost unchallengeable until the French church felt the repercussion of the revocation of the Edict…