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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Jan Hus Biography

Jan Hus (Also called John or John Huss; Husinec, Bohemia, 1369-Constance, 1415) Promoter of the Czech ecclesiastical reform.He was born into a poor peasant family in southwestern Bohemia.However, he managed to study Theology and Arts at the University of Prague and ordained himself a priest (1400).In 1402 he was appointed rector of the University, supported by the Czech particularist sentiment against Germanic domination. Jan Hus Under the influence of the English heretic John Wycliffe, Hus began in 1405 to preach against the excessive wealth of the Church and the immorality of the clergy, demanding a return to the purity of the evangelical message, preaching in the Czech language that the people could understand, and communion under both species.Its influence was increased by the crisis in which the Church of Rome was plunged by the "Schism of the West", as well as by the Czech nationalist reaction against the German minority (started with the struggle for control of ...

The Spanish Aid in the Independence of the United States

In the history of Spain, has often forgotten relevant events , perhaps because of that character that we Spaniards have in general, of not knowing or wanting to defend our own history. sinking ships that were not as was the case with The USS Maine , all in the interest of the US in Cuba. the Spanish Republican troops were the first to enter Paris, freeing her from the Nazi invasion, another unknown piece of our history.In this article we will know the importance of Spain in the Independence of the US, c omo Espana I collaborate, because it did. A part of our history that we have titled The Spanish Aid in Independence of the United States. Art Index iculo The Spanish Aid in the Independence of the United States To place ourselves in the historical context, the formation of the United States is mainly due to the so-called group of the Thirteen Colonies . These 13 colonies of British origin, had been founded during the sixteenth and seventeenth centuries, located ...

Giambattista Tiepolo Biography

Giambattista Tiepolo (Giambattista or Giovanni Battista Tiepolo; Venice, 1696-Madrid, 1770) Italian painter.He studied the works of Sebastiano Ricci, Veronese and Giovanni Battista Piazzetta, and imitated the chromaticism, with its violent chiaroscuro effects, of the latter.In his early ceiling paintings (Archinti and Dugnani palaces in Milan) he reaffirmed his decorative talent, based on architectural perspectives, trompe-l'oeil paintings and moving crowds. His first important work, the decorative cycle of the archiepiscopal palace of Udine (1727-1728), composed of biblical narratives, already denotes in the conformation of the figures (of great naturalism) and in the composition of the same contributions from the artist himself, although certain influences from Sebastiano Ricci and Veronese are still detected. Feast of Antony and Cleopatra (c.1743), by Tiepolo In Milan he worked in the Clerici Palace; in Venice he did it in the Scalzi church and in the Labia palace.The...

Gaspar Gil Polo Biography

Gaspar Gil Polo (Valencia, c .1530-Barcelona, 1584) Spanish writer.There is very little news of his life.Part of his fame as a poet is that Cervantes dedicated a royal octave to him in La Galatea (1583) and Juan de Timoneda quotes him in his Sarao de amor (1561).His fundamental work is the Diana in love (1564), continuation of the Diana by Jorge de Montemayor. Illustration of Diana in love , of Gaspar Gil Polo Born into a family of municipal officials in Valencia, Gaspar Gil Polo became a lawyer and held various administrative positions in the city.Felipe II appointed him commissioner in the principality of Catalonia, so in 1580 he moved to Barcelona.He must have been known as a poet among his contemporaries, since Juan de Timoneda quotes him in a romance of 1561, but at present only some of his loose poems are preserved. In 1564 he published in Valencia the five books of Diana in love , a pastoral novel that constitutes a continuation of Jorge de Montemayor's...

Florencio Harmodio Arosemena Biography

Florencio Harmodio Arosemena (Panama City, 1872-New York, 1945) Panamanian politician and engineer.He studied in Germany and directed important public works.A member of the Liberal Party, he was elected president in 1928 and dismissed on January 2, 1931 by the nationalist movement of Patriotic Communal Action, which brought the provisional government of Harmodio Arias to power.

Josef Willem Mengelberg Biography

Josef Willem Mengelberg (Utrecht, 1871-Zuort, 1951) Dutch conductor.He studied in his hometown with Richard Hol, Henri Wilhelm Petri and Anton Averkamp and later moved to Cologne (Germany), in whose conservatory he studied theory and counterpoint with G.Jensen, piano with I.Seiss and organ with F.W.Franke, in addition to directing and composing with Franz Wüllner. He was musical director of the Lucerne Conservatory in 1892 and years later, in 1895, he obtained the position of director of the Amsterdam Concertgebouw Orchestra, a position he held until 1945.He also continued directing the Museum Concerts group in Frankfurt between 1907 and 1920.From 1899 he annually conducted the Amsterdam Toonkunst Choir in its interpretation of the Passion According to Saint Matthew by JS Bach. He also conducted the American National Symphony Orchestra in New York between 1920 and 1929 and was principal conductor of the New York Philharmonic Orchestra from 1921 until he left it due to differen...

Joseph H. Maclagan Wedderburn Biography

Joseph H.Maclagan Wedderburn (Forfar, 1882-Princeton, 1948) British mathematician.Professor at Princeton University, he was editor of the Proceedings of the Edinburgh mathematical society (1905-1909) and the Annals of mathematics (1912-1928).He stated a theorem ( Wedderburn's theorem ) according to which every finite field is commutative.

Jose Risueño Biography

José Risueño (Granada, 1665- id ., 1732) Spanish sculptor and painter.Follower of A.Cano, P.de Mena and D.de Mora, he worked in Granada, where he made the figures of the chapel of the Sacrament of the Carthusian monastery, the San Juan de Dios of the church of San Matías and the Crucified Christ of Sacromonte.It is famous for its polychrome baked clay figurines ( Penitent Magdalene ).

Josef Svatopluk Machar Biography

Josef Svatopluk Machar (Kolín, 1864-Prague, 1942) Czech writer.He is one of the main representatives of the realist current in his country.His collections of poems Confiteor (1887) and Magdalena (1894) and the nine volumes of Through the Conscience of the Centuries (1906-1926) stand out.).

Jose Maria Linares Biography

José María Linares (Potosí, 1810-Valparaíso, 1861) Bolivian politician.He was Minister of the Interior and Foreign Affairs (1840-1841).He fought against Belzú, and in 1857 overthrew his successor, becoming president of the Republic.He proclaimed himself dictator (1858) and faced the power of the clergy and the army.In 1861 he was overthrown by three of his collaborators.

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