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| previous_post = | other_post = Titular Bishop of Titopolis | ordination = 13 April 1675 | ordinated_by = | consecration = 19 September 1677 | consecrated_by = Saint Gregorio Barbarigo〔 | cardinal = | rank = | birth_name = Niels Stensen | birth_date = | birth_place = Copenhagen, Denmark-Norway | death_date = | death_place = Schwerin, Duchy of Mecklenburg-Schwerin | buried = Basilica of San Lorenzo, Italy | nationality = Danish | religion = Roman Catholic | residence = | parents = | spouse = | children = | occupation = | profession = | alma_mater = | motto = | signature = | signature_alt = | coat_of_arms = Coat of arms of Nicolas Steno.svg | coat_of_arms_alt = Coat of arms of Bishop Nicolas Steno. The cross symbolizes faith and the heart, the natural sciences. | feast_day = 5 December | venerated = 1686 | saint_title = | beatified_date = 23 October 1988 | beatified_place = Rome, Vatican City | beatified_by = Pope John Paul II | canonized_date = | canonized_place = | canonized_by = | attributes = | patronage = | shrine = | suppressed_date = | other = }} Nicolas Steno ((デンマーク語:Niels Stensen); Latinized to ''Nicolaus Stenonis'' or ''Nicolaus Stenonius''; 1 January 1638 – 25 November 1686〔(History of Geology – Steno ) – Aber, James S. 2007. Retrieved 11 January 2012.〕 ) was a Danish scientist, a pioneer in both anatomy and geology who became Catholic bishop in his later years. Steno was trained in the classical texts on science; however, by 1659 he seriously questioned accepted knowledge of the natural world. Importantly he questioned explanations for tear production, the idea that fossils grew in the ground and explanations of rock formation. His investigations and his subsequent conclusions on fossils and rock formation have led scholars to consider him one of the founders of modern stratigraphy and modern geology. Born to a Lutheran family, Steno converted to Catholicism in 1667. After his conversion, his interest for natural sciences rapidly waned giving way to his interest in theology. At the beginning of 1675, he decided to become a priest. Four months after, he was ordained in the Catholic clergy in Easter 1675. As a clergyman, he was later appointed Vicar Apostolic of Nordic Missions and Titular Bishop of Titopolis by Pope Innocent XI. Steno played an active role in the Counter-Reformation in Northern Germany. He was venerated as a saint after his death and the Roman Catholic canonization process was begun in 1938. Pope John Paul II beatified Steno in 1988. ==Early life and career== Nicolas Steno was born in Copenhagen on New Year's Day 1638 (Julian calendar), the son of a Lutheran goldsmith who worked regularly for King Christian IV of Denmark. He became ill at age three, suffering from an unknown disease, and grew up in isolation during his childhood. In 1644 his father died, after which his mother married another goldsmith. In 1654–1655, 240 pupils of his school died because of the plague. Across the street lived Peder Schumacher (who would offer Steno a post as professor in Copenhagen in 1671). At the age of 19, Steno entered the University of Copenhagen to pursue medical studies. 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. At the urging of Thomas Bartholin, Steno first travelled to Rostock, then to Amsterdam, where he studied anatomy under and lodged with Gerard Blasius, focusing on the Lymphatic system. Within a few months Steno moved to Leiden, where he met the students Jan Swammerdam, Frederik Ruysch, Reinier de Graaf, Franciscus de le Boe Sylvius, a famous professor, and Baruch Spinoza.〔. See ()〕 At the time Descartes was publishing on the working of the brain, and Steno did not think his explanation of the origin of tears produced by the brain was correct. He travelled to Paris where he was invited by Henri Louis Habert de Montmor and Pierre Bourdelot, and met Ole Borch and Melchisédech Thévenot who were all interested in new research and demonstrations of his skills. In 1665 Steno travelled to Saumur, Bordeaux and Montpellier, where he met Martin Lister and William Croone, who introduced Steno's work to the Royal Society. After travelling through France, he settled in Italy in 1666. At first as professor of anatomy at the University of Padua and then in Florence as in-house physician of Grand Duke of Tuscany Ferdinando II de' Medici, who supported arts and science and whom Steno had met in Pisa.〔 Steno was invited to live in the Palazzo Vecchio; in return he had to gather a cabinet of curiosities. Steno went to Rome and met Pope Alexander VII and Marcello Malpighi, whom he admired. On his way back he watched a Corpu Christi procession in Livorno and wondered if he had the right belief.〔Kooijmans, L. (2007) Gevaarlijke kennis, p. 99-100.〕 In Florence Steno focused on the muscular system and the nature of muscle contraction. He became a member of Accademia del Cimento and had long discussions with Francesco Redi. Like Vincenzo Viviani, Steno proposed a geometrical model of muscles to show that a contracting muscle changes its shape but not its volume. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nicolas Steno」の詳細全文を読む スポンサード リンク
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