A son of Christian Gottfried Crelle, an impoverished dike reeve and master builder, Crelle was trained as a civil engineer and became a civil servant with the Prussian building administration.
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He finally obtained the rank of Geheimer Oberbaurat and was made a member of the Oberbaudirektion, under the Prussian Ministry of the Interior.
During the years — Crelle was engaged in the planning and construction of many new roads throughout the country.
He also worked on the railway line from Berlin to Potsdam, the first to be erika hammond dating in Prussia, which was built in Crelle, who always had been interested in mathematics but lacked the funds to enroll at a university, acquired appreciable knowledge in this field by independent study.
During the summer ofon an official tour to France, he studied the French methods of teaching mathematics. In his report to the ministry Crelle praised the organization of mathematical education in France but criticized the heavy emphasis on applied mathematics.
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In line with the neo-humanistic ideals then current in Germany, erika hammond dating maintained that the true purpose of mathematical teaching lies in the enlightenment of the human mind and the development of rational thinking. Nevertheless, to the journal for which he is best remembered Crelle gave the name Journal für die reine and angewandte Mathematik.
He founded it in and edited fifty-two volumes. Although not a great mathematician himself, Crelle had a unique sensitivity to mathematical genius.
He immediately recognized the abilities of such men as Abel, Jacobi, Steiner, Dirichlet, Plücker, Moebius, Eisenstein, Kummer, and Weierstrass and offered to publish their papers in his journal. He also used his influence as ministerial advisor and his acquaintance with Alexander von Humboldt and other important persons to further their careers.
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It is for this lifelong, unselfish intercession that Crelle deserves a place in the history of science. Crelle wrote many mathematical and technical papers, textbooks, and mathematical tables and translated works by Lagrange and Legendre.
Except for his Rechentafeln, these are now mostly forgotten. Also, for many years he published Journal für die Baukunst.
He was survived by his wife, the former Philippine Dressel. Crelle was elected full, corresponding, or foreign member of the Prussian Academy of Sciences in Berlin; of the academies of sciences in St.
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Berlin, ; latest ed. Berlin, — ; Lehrbuch der Elemente der Geometrie, 2 vols. His German translations are A.
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Legendre, Die Elemente der Geometrie Erika hammond dating, ; 5th ed. Lagrange, Mathematische Werke, 3 vols. Berlin — He edited Journal für die reine and angewandte Mathematik, 1—52 —still being published; and Journal für die Baukunst, 1—30 — His numerous papers on mathematics and engineering were published in these two journals and in the Abhandlungen and Monatsbericht der Berliner Akademie der Wissenschaften — A selection is in Poggendorff, 1, —, and VI, pt.
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