Joseph-Clément Juggler Biography

Joseph-Clément Juglar

(Paris, 1819- id ., 1905).French economist and physician.He was a forerunner of the theories that explain business cycles and movements of expansion and contraction of economic activity.It established the existence of cycles of seven to eight years (Juglar cycles) that periodically affect the economy and whose movement can be statistically predicted and observed.He published The commercial crises and their periodic reappearance in France, England and the United States (1862).

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Phoenician numbers

In History Today Online we explained in a previous post which were the Arabic numerals, but the truth is that they are not the only ones, and although somewhat complicated to understand, the truth is that the Phoenician numbers are perhaps much more difficult.In History Today Online we talk to you now of which are the Phoenician numbers. The Phoenicians also known as Canaanites, although they were a civilization that occupied a region called Canaan and was a territory that currently encompasses Israel, Syria and Lebanon.They always stood out for their art, closely linked to the different Mediterranean influences and as not for an alphabet that they created and that is in fact the origin of the alphabet that we know today, they also had a numerical system and that we tried to decipher below. The Phoenician Numbers: The main basis of the Phoenician numbers, are the angles and the stripes since these are the base they used to create the different numbers.Depending on how e...

John betjeman Biography

John Betjeman (London, 1906-Trebethrick, 1984) British poet.He succeeded C.D.Lewis as "Poet Laureate" (1972).He became known with Selected Poems (1948).His work, technically impeccable and tinged with subtle humor, uses traditional metric forms ( Summoned by bells , 1960; High and low , 1966).

Heinrich maier Biography

Heinrich Maier (Heidenheim, 1867-Berlin, 1933) German philosopher.He produced a "critical realism", along the lines of H.Driesch.He is the author, among other works, of Aristotle's syllogistics (1896-1900) and of The philosophy of reality (1926-1935).

Humberto Fernández Morán Biography

Humberto Fernández Morán (Maracaibo, Venezuela, 1924-Stockholm, Sweden, 1999) Venezuelan scientist.Inventor of the diamond blade, he was a pioneer in electron microscopy techniques and decisive in the process of scientific modernization of his country, in which he founded the Venezuelan Institute of Neurology and Brain Research (IVNIC). Humberto Fernández carried out his first studies between the capital of Zulia, Curaçao and New York.In 1936 he entered the German School of Maracaibo and the following year he left for Germany, where he finished high school at the Schulgemeinde Wichersdorf high school in Sallfeld.At the age of fifteen, he began his medical studies at the University of Munich.During the Second World War, six days before the Normandy landing (1944), in a basement and under low aerial bombardment, he graduated in medicine with Summa cum laude . Humberto Fernández Morán The following year he revalidated his degree at the Central University of Venezuela and worked ...

Hélder Câmara Biography

Hélder Câmara (Hélder Pessoa Câmara; Fortaleza, 1909-Recife, 1999) Brazilian Catholic Archbishop whose defense of social justice, as well as his attitude of condemnation of Latin American dictatorships, made him a symbol of the so-called "Church of the poor" and one of the most prominent figures in liberation theology, along with theologians such as Leonardo Boff or Jon Sobrino.He entered the seminary in 1923, and was ordained a priest in 1931, being transferred in 1936 to Rio de Janeiro, where he worried about the living conditions of the inhabitants of the "favelas". Hélder Câmara Appointed auxiliary bishop of Rio in 1952, he contributed decisively to founding the National Conference of Brazilian Bishops, in close collaboration with Monsignor Giovanni Montini (the future Pope Paul VI), then Secretary of State of the Vatican.From his position as general secretary of said organization, he promoted the creation of the Latin American Episcopal Conference (CELAM...

X-ray history

The X-rays were discovered in 1895 and from there they became a very revolutionary application in many branches of science, from astronomy to radiographs that we have not done so many times.the 120th anniversary of the X-rays knowing his inventor and the research that led him to such an important scientific advance. Article index Who invented the X-rays? The inventor or, rather, the person who discovered the X-rays was Wilhelm Conrad Rontgen , a German physicist who was focused on the field of electromagnetics Nothing else to present his discovery, Rontgen's theory received great attention from critics and public, and was translated into French, English or Russian. Although it is not a name as well known today as that of others you celebrate writers, the name of Wilhelm Conrad Rontgen is written in gold letters in the medical field, where he has had and has and numerous applications.The importance of his discovery was such in his day that he was the first Nobel Prize ...

The fusion of the Romans and Germans

In the first years of the 5th century, the Germanic peoples , pushed by the Hungarian horsemen, crossed the Roman borders and entered the Roman Empire of the West. At the beginning of the 6th century, these villages were installed in the ruins of a Rome that had been unable to maintain control in its vast territory. The date of 476 marks in the traditional history the break between existence of the Roman Empire and the beginning of a new order arbitrarily called the " Middle Ages ", however, that new order was not built overnight and, Changes in everyday life did not have the rhythm of the hectic political sphere. During this period of slow social transformation, there was a coexistence throughout the European territory between two types of and different cultures, the Roman and the germanica . It took long years for communities to associate to the point of mixing their traditions and forming a true nation.The obstacles to this merger were certainly numero...

Howard Hanson Biography

Howard Hanson (Wahoo, 1896-Rochester, 1981) American composer and conductor.His work, influenced by Bramhs, Sibelius and Grieg, includes symphonies, concerts, choirs ( Songs of Democracy , 1957), chamber music and opera ( Merry Mount , 1933).

Harold Clayton Urey Biography

Harold Clayton Urey (Walkerton, Indiana, 1893-La Jolla, California, 1981) American chemist, pioneer in the application of isotope separation techniques, who was awarded the Nobel Prize of Chemistry in 1934 for the discovery of deuterium (heavy isotope of hydrogen).He was also the author of a theory about the origin of life on Earth and other planets. Harold Clayton Urey After graduating in Zoology from the University of Montana in 1917 and working as a professor for two years at this university, Urey's fondness for chemistry led him to pursue a doctorate in Chemistry from the University of Berkeley in 1923.After researching with Borh on the theory of structure Atomic, he returned to the United States where he taught chemistry at Johns Hopkins University (1924-1929), Columbia University (1929-1945), the University of Chicago (1945-1952) and the University of San Diego, where He held the position of professor emeritus from 1970 to 1981. During his teaching, Urey carried out ...

Giovanni bandini Biography

Giovanni Bandini (Called Giovanni del'Opera; Florence, c .1540- id ., 1599) Italian sculptor.Disciple of Bandinelli, he completed the reliefs that his master left unfinished on the balustrade of the Florence Cathedral (1572).Work on other reliefs at Santa Croce and Santa Maria Novella attests to a work that is distinguished by its simple and archaic forms.

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