| 词条 | Jakob Amsler-Laffon |
| 释义 |
Jakob Amsler-Laffon (11 November 1823 – 3 January 1912) was a mathematician, physicist, engineer and the founder of his own factory. Amsler was born on the Stalden near the village of Schinznach in the district of Brugg, canton Aargau, and died in Schaffhausen, Switzerland. His father was Jakob Amsler-Amsler (1779–1869). On graduating from school in 1843, he went to the University of Jena and then to the University of Königsberg to study theology. At Königsberg he changed courses, deciding to focus on mathematics and physics after meeting the inspiring Franz Neumann. Among Amsler's fellow students at Königsberg were Gustav Robert Kirchhoff and Siegfried Heinrich Aronhold. Amsler gained his doctorate from Königsberg in 1848 and returned to Switzerland in the same year. In 1851 he became a Privatdozent at the University of Zürich and later in that year accepted a position as a mathematics teacher at the Gymnasium in Schaffhausen. In 1854 Amsler married Elise Laffon (1830–1899). The couple had two daughters and three sons. Their oldest son Alfred Amsler (1857–1940) was a mathematician and engineer in his own right and succeeded to his father as the owner and director of the factory. From about 1885 until about 1905, father and son closely cooperated on many projects in their business; many of their ideas, inventions and constructions of the time are difficult to attribute to either one of them. Jakob Amsler-Laffon invented the polar planimeter in 1854. Publications
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7 : 1823 births|1912 deaths|People from Brugg District|19th-century mathematicians|20th-century Swiss mathematicians|Swiss mathematicians|People from Schaffhausen |
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