Karl Christian Langsdorf ( German: Karl Christian von Langsdorf ; or - , ) - German physicist , mathematician , technologist; Professor.
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| Academic degree | Doctor of Philosophy (PhD) in Mathematics |
| Academic rank | Professor |
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Biography
Born May 18, 1757 in Nauheim .
He graduated from high school in Idstein . In 1774-1776 he studied law and mathematics in Gottingen , in 1776-1777 - at the University of Giessen [4] [5] . He studied salt formation in Nydd , practiced in Salzhausen for some time [4] .
In 1781 he received a Ph.D. at the University of Erfurt , in the summer semester he lectured in mathematics at the University of Giessen as a privat-docent [4] [5] [6] . In 1781–1784, he was a land judge in Mülheim , and from 1784, a salt inspector in Gerabron (then part of the Ansbach Margrave ) [4] [5] .
In 1796-1804 he worked as a professor of mathematics and mechanical engineering at the University of Erlangen , where he significantly improved the technology room [4] [5] [7] ; among his students is Georg Om [5] . In 1804-1806 he taught mathematics and technology at Vilnius University [4] [5] [7] ; received the Russian nobility [4] (in 1806 [K 1] promoted to court advisers ) [5] .
From May 27, 1806 to 1827, he was a professor of mathematics at the Faculty of Philosophy at the University of Heidelberg [4] [7] (1808, 1813 - dean of the faculty of philosophy, in 1809 - vice-rector, 1813/1814, 1816 - member of the university senate); taught courses in mathematics, optics, engineering, hydraulics, construction of waterways and bridges [5] [6] .
He died on June 10, 1834 in Heidelberg.
Family
Father - Georg Melchior Langsdorf ( German: Georg Melchior Langsdorf ; 1713-1767), treasurer of the saltworks [K 2] ; mother - Maria Margarethe Koch ( German: Maria Margerethe Koch ,widows. Möller, dumb. Möller ; 1716-1788) [6] [10] .
Brothers:
- Johann Wilhelm ( German: Johann Wilhelm Langsdorf ; December 5, 1745 - 5.2.1827), saltworks [4] .
- Johann Gottlieb Emil ( German: Johann Gottlieb Emil Langsdorff ; 11.6.1747, Nauheim - 20.1.1827, Lahr ), bailiff, president of the court [9] ; father of Georg Heinrich ( Grigory Ivanovich ) Langsdorf (1774-1852), academician of the St. Petersburg Academy of Sciences;
- Ernst Heinrich ( German: Ernst Heinrich Langsdorff ; 03.20.1749, Nauheim - 18.9.1829, Wiesbaden, buried in Höchst ), director of the Evangelical Chamber Court [9] ;
- Daniel Isaac ( German: Daniel Isaak Langsdorf ; 18.5.1757, Nauheim - 3.8.1830, Wiesbaden) [5] [9] .
Wife (since December 1781) - Elizabeth (nee Langsdorf; German Christine Elisabeth Louise Langsdorff ; 10/7/1761 - 1818) [K 3] , daughter of Carl Wilhelm Langsdorf ( German Carl Wilhelm Langsdorf ; 1731-1809) and Maria Juliana Slate [5] [6] [10] .
- Children - 8 sons, 4 daughters; among them:
- Johanna Carolina ( German: Johanna Caroline ; 18.8.1789, Gerabron - 10.10.1828), married (from 11.5.1811) to L.V. Medicus (1771-1850), son of forestry and agriculture in Munich , son F. K Medicus (1736-1808), director of the Botanical Garden in Mannheim [5] [11] ;
- Daniel Tobias ( German: Daniel Tobias von Langsdorff ; 2.9.1796, Gerabron - 4.4.1871), church adviser [10] ;
- Gustav Wilhelm (Gustav Karlovich, German Gustav Wilhelm von Langsdorff ; 1803–1847), professor of the Corps of Mining Engineers [5] [12] , married to Marie Brömme ( German: Marie Brömme ); their son, Karl Alexander ( German: Karl Alexander von Langsdorff ; 17.2.1834, Petersburg - 17.4.1912, Dresden), agronomist [13] ;
- Lisette ( German: Lisette ), married to I. A. Schmidtmüller ( German: Johann Anton Schmidtmüller , 1776-1809), professor of obstetrics in Landshut [5] .
Wife (from April 1818) - Elizabeth (nee Mayer; German: Elisabetha Magdalena Mayer ; 24.7.1754, Kupferzell - 30.4.1822, Heidelberg) [10] , daughter of Pastor ( German Georg Hartmann Mayer , 1719-1798), widow of the mountain adviser I.G. Glenck ( German: Johann Georg Glenck ; 15.8.1751, Schwebisch Hall - 10.30.1801 , Ohringen) [5] [10] ; Karl Glenck's mother (13.4.1779, Schwäbisch Hall - 11.21.1845, Gotha ), geologist and entrepreneur.
Wife (from 4.9.1822) - Louise Frederic von Wogau ( German: Louise Friedrike v. Wogau, Louisa Friedericia v. Wagau [6] , 1777 [K 4] —1832), widow of professor Heinrich Eschenmeier ( German Carl Philipp Christoph Heinrich Eschenmayer ; 1763-1820) [5] [10] .
Wife (from 20.6.1832) - Elizabeth Schweikhard ( German: Elisabeth Henriette Schweickhard; Schweickart [6] , 1779 [K 5] —1858) [5] .
Scientific activity
Langsdorf wrote many works on physics and mathematics. Of these, the university published Institutiones technologicae (Vilna 1806), Principia staticae et mechanicae corporum solidorum et fluidorum, and several others [7]
Member of the Academy of Sciences in Göttingen (1797), in Munich (1808) [6] .
Selected Works
- Langsdorf KC Arithmetische Abhandlungen über juristische, staats- und forstwirthschaftliche Fragen, Mortalität, Bevölkerung und chronologische Bestimmungen . - Heidelberg; Mannheim: Schwan und Götz, 1810. - 174 S. [14]
- Langsdorf KC Erläuterungen über die Kästnerische Analysis des Unendlichen. - Giessen: Kriegerischen Buchhandlung, 1778. - 16 + 207 S. [15]
- Langsdorf KC Gemeinfassliche durchaus auf Erfahrung gegründete Anleitung zum Strassen- und Brückenbau nebst einem Anhange über die Gautheysche Brückenbaukunde . - Mannheim: Schwan und Götz, 1817. - 607 S.
- Langsdorf KC Grundlehren der mechanischen Wissenschaften, welche die Statik und Mechanik, die Hydrostatik, Aerometrie, Hydraulik und die Maschinenlehre enthalten; mit besonderer Rücksicht auf Physiker und Praktiker. - Erlangen: Palm, 1802. [16]
- Langsdorf KC Grundlehren der Photometrie oder der optischen Wissenschaften . - Erlangen: Palm, 1805.
- Langsdorf KC Vollständige auf Theorie und Erfahrung gegründete Anleitung zur Salzwerkskunde. - Altenburg: [sn], 1784-1796. - [T. 1-3]. - 15+ 482 S. [17]
Rewards
Order of St. Anne of the 2nd degree [5] .
Comments
- ↑ According to other sources [6] - in 1804.
- ↑ Georg Melchior Langsdorf ( German: Georg Melchior Langsdorf ) was born February 25, 1713 in Wetzlar to the family of Johann Nikolaus Langsdorff ( German: Johann Nikolaus Langsdorff ; 1673-1747), rector of the Latin School in Wetzlar (from 1718 - in Friedberg ) [8] , and Anna Elizabeth, nee. Eberkorn ( German: Anna Elisabeth Eberkorn ) [9] . He died on April 19, 1767, and was buried in the in Bad Nauheim [8] .
- ↑ Husband had to cousin [5] .
- ↑ According to other sources [6] , the year of birth is 1766.
- ↑ According to other sources [6] , the year of birth is 1788.
Notes
- ↑ 1 2 3 4 5 6 7 8 German National Library , Berlin State Library , Bavarian State Library , etc. Record # 116728701 // General regulatory control (GND) - 2012—2016.
- ↑ 1 2 3 4 BNF identifier : Open Data Platform 2011.
- ↑ Mathematical Genealogy - 1997.
- ↑ 1 2 3 4 5 6 7 8 9 Günther S., 1883 .
- ↑ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Folkerts M., 1982 .
- ↑ 1 2 3 4 5 6 7 8 9 10 Drüll D., 1986 .
- ↑ 1 2 3 4 Russian Biographical Dictionary, 1914 .
- ↑ 1 2 Rundgang (German) . Die Evangelischen Kirchengemeinden in Bad Nauheim. Circulation date May 17, 2019.
- ↑ 1 2 3 4 Langsdorf, Georg Melchior (German) . Hessische Biografie . Hessisches Landesamt für geschichtliche Landeskunde. Circulation date May 17, 2019.
- ↑ 1 2 3 4 5 6 Hessische Biografie .
- ↑ Medicus, Ludwig Wallrad (German) . Hessische Biografie . Hessisches Landesamt für geschichtliche Landeskunde (6. Januar 2019). Circulation date May 21, 2019.
- ↑ Lecturers of the St. Petersburg Mining Institute . History of mining. Circulation date May 17, 2019.
- ↑ Kaak H. Langsdorff, Karl Alexander von (German) . Sächsische Biografie (1. Oktober 2004). Circulation date May 14, 2019.
- ↑ Langsdorf KC Arithmetische Abhandlungen ... (German) . archive.org. Circulation date May 16, 2019.
- ↑ Langsdorf, Karl Christian von (1757-1834). Erläuterungen über die Kästnerische ... (German) . All-Russian State Library of Foreign Literature named after M. I. Rudomino. Circulation date May 16, 2019.
- ↑ Grundlehren der mechanischen Wissenschaften ... The Online Books Page. Circulation date May 16, 2019.
- ↑ Vollständige auf Theorie ... . RSL Circulation date May 16, 2019.
Literature
- Langsdorf, Karl Christian // Russian Biographical Dictionary : in 25 volumes. - SPb. , 1914. - T. 10: Labzina - Lyashenko. - S. 59.
- Langsdorf (f), Carl Christian (German) // Drüll D. Heidelberger Gelehrtenlexikon 1803-1932. - Berlin etc .: Springer, 1986. - S. 155-156. - ISBN 978-3-642-70761-2 .
- Langsdorff, Karl Christian von (German) // Neue Deutsche Biographie. - 1982. - Bd. 13. - S. 611-612.
- Günther S. Langsdorff, Karl Christian von (German) // Allgemeine Deutsche Biographie. - 1883. - Bd. 17. - S. 691-692.
- . Karl Christian von Langsdorff : [ him. ] // Badische Biographien. - 1875. - Bd. 2. - S. 6-7.
Links
- Langsdorff, Karl Christian von (German) . Hessische Biografie . Hessisches Landesamt für geschichtliche Landeskunde. Circulation date May 17, 2019.