Charles François du Fay Biography

Charles François du Fay

(Charles François de Cisternay du Fay; Paris, 1698-id., 1739) French physicist.He continued the investigations of Stephen Gray on the conduction of electricity and determined in 1733 the existence of two classes of electricity obtained by rubbing: resinous and vitreous, corresponding to what would later be called positive and negative electricity.He also distinguished between conductors and insulators and revealed the repulsion between electrically charged bodies of the same sign.He also conducted studies on crystalline optics.

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Agustin Gainza Biography

Agustín Gaínza (Basauri, 1923-Bilbao, 1995) Spanish footballer.He played with Athletic Bilbao, a team with which he won the Cup championship seven times and the League one.He was part of the Spanish team 33 times.

Babylon: economics and political organization

We continue with our study guide on Babylon that we already started in an earlier article.We continue to know its main rulers, such as the territorial expansion of the Empire and its subsequent decline.Then, in Overhistory, Babylon: economy and political organization .If you like the knowledge of ancient civilizations and dynasties, this is your blog, because we will inform you of all the steps of the past, until today. The Babylonian Empire was one of the most powerful of its time, and had its epicenter in the famous city of Babylon.This empire had two phases well differentiated.A first phase of splendor approximately between the years 1800 and 1600 BC .and another phase called Neobabilonian that extended through the 6th and 7th centuries BC .The end of Babylonian Empire finally came with the invasion of the Persian king, Cyrus II "the great one." Babylon was a very important cultural center , which collected many traditions, cultures and Akadian knowledge and s ume

Hernando Tellez Biography

Hernando Téllez (Santafé de Bogotá, 1908-1966) Colombian writer and journalist.From a very young age, he showed his journalistic skills, as a contributor to the magazine Universidad directed by Germán Arciniegas, and as an assistant to Enrique Santos in El Tiempo . He was also deputy director of El Liberal and director of the magazine Semana .During the period between 1943 and 1944 he served as Colombian consul in Marseille and senator of the Republic, but he stood out above all for being one of the most complete writers of his time (he was a translator, commentator, short story writer, essayist and literary critic ). In his extensive essay work he dealt with issues of literature, society, politics and everyday life.Téllez was a poet of the essay, as well as profound; He was a great craftsman of the language, a teacher in a sober and effective handling of the language.He was a sensitive observer of daily life, an acute critic of the social and political life of the country

The medieval knight in combat

At the beginning of the eleventh century, some warriors on horseback distinguished themselves from the mass of free men.Why? Between the 8th and 9th centuries, the methods of combat had been radically transformed, and only a small number of people knew how to master the select service of weapons and become a knight . If we see in a movie an army full of thousands of thousands of knights, or a man who gets on a horse and automatically fights like a medieval knight , we must never lose sight of the fact that this is pure fiction and, it goes without saying, an insult to the work and education that the Knights of the Middle Ages carried out for years. Being a gentleman was extremely difficult .First of all, it required money.Horses, weapons , and the armors were among the most expensive objects of that time. The cavalry was increasingly taking center stage in the story medieval , was not always made up of powerful warriors and lords. The Carolingian fighter In the time

The attack on Pearl Harbor

With Pearl Harbor , the European war of 1939 acquires its characteristic of world conflict on December 7, 1941, after the attack of Japan on the US naval base from Pearl Harbor , the war spreads throughout the world and transforms into the World War II .And not just because a new theater of operations opens in Asia and in the Pacific, but because the Japanese action is going to be the trigger that will launch the United States into war. USS Maryland and USS Oklahom, December 7, 1941 (History of War) Until Pearl Harbor , two conflicts juxtaponed in the world, because the European war generated by the Nazi government of Germany had been preceded by that of China in 1937, with the conquest of Manchuria. The conflict in China , without emb argo, it was a conflict until then located, and that around 1940 seemed to be in a stalemate. Japan , owner of the eastern ports, of the big cities and Asian communication routes from Beijing to Nankin and Canton, had not delved into t

Gaspar Cassadó Biography

Gaspar Cassadó (Barcelona, 1897-Madrid, 1966) Spanish cellist and composer.Son of the composer Joaquim Cassadó Valls, he was a disciple of Pablo Casals before starting, from 1918, a brilliant career as a cello soloist, during which he sometimes performed alongside figures such as Rubinstein or Menuhin.As a composer, his work was directed, above all, to expanding the repertoire of his musical instrument.In this sense, he is owed a concerto and a sonata for cello, as well as a handful of short virtuosic pieces and arrangements of works by other musicians, including Frescobaldi, Albéniz and Couperin.

Christian IV Biography

Christian IV (Frederiksborg, 1577-Copenhagen, 1648) King of Denmark and Norway (1588-1648).Son of Frederick II and Sofia of Mecklenburg.The kingdom was governed by a council of regency until his coronation in 1596.In 1597 he married Ana Catherine of Brandenburg.Despite having embarked Denmark in unfortunate conflicts-war with Sweden (1611-1613), Thirty Years' War, war with Sweden and Holland (1643-1645)-against Rigsråd's opinion, it remained popular.He defended Norway's interests, protected commerce and shipping, promoted education and industry, rebuilt Oslo, founded cities, and built castles and monuments.

Elizabeth of Valois Biography

Isabel de Valois (Fontainebleau, France, 1546-Madrid, 1568) Queen consort of Spain by virtue of her marriage to the Spanish monarch Felipe II, of whom she was the third wife.She was the daughter of Henry II of France and Catherine de Medici, of the Valois dynasty, the former ruling house of France.Although in her childhood she was promised to the future Edward VI of England, when he died, Isabel de Valois entered into the previous negotiations of the Cateau-Cambrésis treaty, by which her wedding with Prince Charles of Spain was agreed in 1559. Isabel de Valois That same year, the death of María Tudor, second wife of Felipe II, and the influence of Cardinal Granvela and his councilors of the The Netherlands, determined that Isabel de Valois became the third wife of Felipe II, and as such, queen of Spain.The union of the Spanish and French crowns was enthusiastically welcomed in France.Thanks to his marriage and the intervention of Isabel in favor of the signing of the Bayonne agr

Arthur Rubinstein Biography

Arthur Rubinstein (Lódz, 1886-Geneva, 1982) Polish pianist.The son of a married couple of industrialists and the last of seven siblings, Arthur Rubinstein showed a precocious musical talent as a child.At the age of eight he entered the Warsaw Conservatory, where he studied with Professor Roziycki. Arthur Rubinstein The famous violinist Joseph Joachim, who had married one of his sisters, introduced him to the composer Johannes Brahms, who, captivated by the talent of the boy, he made him go to Berlin to continue his studies with Heinrich Barth, and later with R.Breithaupt, M.Bruch, R.Hahn, and Ignacy J.Paderewski.It was also in Berlin that he began his career as a great piano virtuoso accompanying his brother-in-law Joachim in Mozart's Concert in the .In Spain, where he appeared for the first time in 1916, he demonstrated his great knowledge of the music of Isaac Albéniz and Manuel de Falla. Rubinstein's romantic temperament allowed him to masterfully interpret Brahms,

Guillermo Cabrera Infante Biography

Guillermo Cabrera Infante (Gibara, Cuba, 1929) Cuban writer, nationalized British.In 1951 he founded the Cuban Cinematheque, of which he was director until General Batista ordered its closure, a work that he combined with his articles on film criticism for the magazine Carteles, which he published under the pseudonym G.Caín (1954-1960).He also directed the literary magazine Monday of Revolution, banned in 1961 by Castro.In 1966 he published his first renowned novel, Tres tristes tigres, whose experimental nature lies in the ingenious use of language in its most colloquial register and the constant play of winks and references to other literary works.He was a diplomat in Brussels, until he definitively broke with the Castro regime and settled in London.He has written other outstanding novels, such as Vista delmanecer en el tropico (1974), Exorcismos de esti (l) o (1976) and essays such as Vidas para leerlas (1998).In 1998 he received the Cervantes Prize.

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