Nicolas Steno
Nicolas Steno 374rd birthday has been celebrated by Google Doodle logo and interesting logo is now online on Google because he (11 January 1638 – 25 November 1686) was a Danish pioneer in both anatomy and geology. By 1659 he had decided not to accept anything simply written in a book, resolving instead to do research himself. He is considered the father of geology and stratigraphy. Steno was beatified by Pope John Paul II in 1987.
Nicolas Steno was born in Copenhagen on New Year’s Day (Julian calendar), the son of a Lutheran goldsmith who worked regularly for King Christian IV of Denmark. Stensen grew up in isolation in his childhood, because of an unknown disease. In 1644 his father died, after which his mother remarried another goldsmith. In 1654-1655, 240 pupils of his school died because of the plague. Across the street lived Peder Schumacher.
After completing his university education, Steno set out to travel through Europe; in fact, he would be on the move for the rest of his life. In the Netherlands, France, Italy and Germany he came into contact with prominent physicians and scientists. These influences led him to use his own powers of observation to make important scientific discoveries. At a time when scientific questions were mostly answered by appeal to ancient authorities, Steno was bold enough to trust his own eyes, even when his observations differed from traditional doctrines.
In October 1666 two fishermen caught a huge female shark near the town of Livorno, and Ferdinando II de’ Medici, Grand Duke of Tuscany, ordered its head to be sent to Steno. Steno dissected the head and published his findings in 1667. He noted that the shark’s teeth bore a striking resemblance to certain stony objects, found embedded within rock formations, that his learned contemporaries were calling glossopetrae or “tongue stones”. Ancient authorities, such as the Roman author Pliny the Elder, in his Naturalis Historia, had suggested that these stones fell from the sky or from the Moon.
Others were of the opinion, also following ancient authors, that fossils naturally grew in the rocks. Steno’s contemporary Athanasius Kircher, for example, attributed fossils to a “lapidifying virtue diffused through the whole body of the geocosm”, considered an inherent characteristic of the earth an Aristotelian approach. Fabio Colonna, however, had already shown in a convincing way that glossopetrae are shark teeth, in his treaty De glossopetris dissertatio published in 1616. Steno added to Colonna’s theory a discussion on the differences in composition between glossopetrae and living sharks’ teeth, arguing that the chemical composition of fossils could be altered without changing their form, using the contemporary corpuscular theory of matter.
Steno’s questioning mind also influenced his religious views. Having been brought up in the Lutheran faith, he nevertheless questioned its teachings, something which became a burning issue when confronted with Roman Catholicism while studying in Florence. After making comparative theological studies, including reading the Church Fathers and by using his natural observational skills, he decided that Catholicism, rather than Lutheranism, provided more sustenance for his constant inquisitiveness. Steno converted to Catholicism on All Souls’ Day when Lavinia Cenami Arnolfini insisted. Steno travelled to Hungary, Austria and in Spring 1670 he arrived in Amsterdam. There he met with old friends Jan Swammerdam and Reinier de Graaf. With Anna Maria van Schurman and Antoinette Bourignon he discussed scientific and religious topics.
Steno’s life and work has been studied, in particular in relation to the developments in geology in the late nineteenth century. His piety and virtue have been especially evaluated with a view to an eventual canonization. In 1953 his corpse was exhumed, and reburied in the Capella Stenoniana, but without the missing skull. The Italian state donated a fourth-century Christian sarcophagus that had been found in the river Arno. In 1987 he was declared “beatus” – the first step to being declared a saint – by Pope John Paul II. He is thus now called by Catholics Blessed Nicolas Steno.
However after all this you can always more information about Nicolas Steno by visiting one of the biggest online library WikiPedia for further information.
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