Georg Frederik Ursin
Georg Frederik Ursin (born June 22, 1797 in Copenhagen ; † December 4, 1849 there ) was a Danish mathematician .
Life
His father's last name was Kruger, and his approved family name was that of his mother. He trained as a land surveyor and visited the metropolitan cities in Copenhagen, where he won a mathematics award and passed his exam.
In 1818 he studied astronomy with Carl Friedrich Gauß in Göttingen. From 1819 to 1829 he was an observer at the Copenhagen observatory . In 1827 he became professor of mathematics at the Academy of Fine Arts . From 1829 to 1832 he was a teacher of mechanical engineering and technology at the polytechnic school . In 1849 he was the administrator of Charlottenborg Palace .
In 1823 he married Helene Elisabeth de Thurah (1797–1876).
He published elementary mathematics textbooks, including on arithmetic and descriptive geometry , which were aimed primarily at craftsmen, artists and merchants, nautical almanacs and a collection of popular scientific essays on astronomy (1838). From 1826 he published Denmark's first polytechnical magazine, which appeared for 16 years. He also wrote on technical subjects in magazines such as Borgervennen , which he co-edited.
The DSB EA 3020 locomotive was named after him.
In 1829 he became a member of the Royal Danish Academy of Sciences .
Works (selection)
- De eclipsi solari 7 Sept. 1820. Dissertation… 17 November 1820. Schultz, Hafnia (Copenhagen) 1820, OCLC 28011196 (Latin).
- Logarithmi VI decimalium scilicet numerorum from 1 ad 100,000 et sinuum et tangeentium ad 10 ʺ, quibus additi sunt varii logarithmi et numeri saepius in mathesi adhibiti, curante Georgio Frederico Ursino,… In: HC Schumacher (Ed.): Astronomische Nachrichten . tape 2 , no. 37 . In libraria Gyldendaliana, Hafnia (Copenhagen) 1824, OCLC 458464329 (Latin).
- The steam engine. In 12 generally faßl. Lectures dargest . Univ.-Buchhandlung, Kiel 1840 ( runeberg.org - Danish: Dampmaskinen Fremdstillet i 15 populære Forelæsninger .).
literature
- Johann Christian Poggendorff : Biographical-literary concise dictionary for the history of the exact sciences . Volume 2, 1863, p. 1161.
- HG Zeuthen, CF Pechüle: Ursin, Georg Frederik Krüger . In: Carl Frederik Bricka (Ed.): Dansk biografisk Lexikon. Tillige omfattende Norge for Tidsrummet 1537-1814. 1st edition. tape 18 : Ubbe – Wimpffen . Gyldendalske Boghandels Forlag, Copenhagen 1904, p. 109-111 (Danish, runeberg.org ).
Web links
| personal data | |
|---|---|
| SURNAME | Ursin, Georg Frederik |
| BRIEF DESCRIPTION | Danish mathematician |
| DATE OF BIRTH | June 22, 1797 |
| PLACE OF BIRTH | Copenhagen |
| DATE OF DEATH | December 4, 1849 |
| Place of death | Copenhagen |