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C. L. Lehmus

Index C. L. Lehmus

Daniel Christian Ludolph Lehmus (July 3, 1780 in Soest – January 18, 1863 in Berlin) was a German mathematician, who is today best remembered for the Steiner–Lehmus theorem, that was named after him. [1]

21 relations: Allgemeine Deutsche Biographie, Annales de Gergonne, Berlin, Crelle's Journal, Doctor of Philosophy, Emilie Lehmus, Erlangen, Germans, Gymnasium (school), Jacques Charles François Sturm, Jakob Steiner, Jena, Johann Adam Lehmus, List of schools of mines, Malfatti circles, Mathematician, Order of the Red Eagle, Privatdozent, Siegmund Guenther, Soest, Germany, Steiner–Lehmus theorem.

Allgemeine Deutsche Biographie

Allgemeine Deutsche Biographie (Universal German Biography) is one of the most important and most comprehensive biographical reference works in the German language.

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Annales de Gergonne

The Annales de Mathématiques Pures et Appliquées, more commonly known as the Annales de Gergonne was a mathematical journal published in Nimes, France from 1810 to 1831 by Joseph-Diaz Gergonne.

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Berlin

Berlin is the capital and the largest city of Germany, as well as one of its 16 constituent states.

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Crelle's Journal

Crelle's Journal, or just Crelle, is the common name for a mathematics journal, the Journal für die reine und angewandte Mathematik (in English: Journal for Pure and Applied Mathematics).

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Doctor of Philosophy

A Doctor of Philosophy (PhD or Ph.D.; Latin Philosophiae doctor) is the highest academic degree awarded by universities in most countries.

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Emilie Lehmus

Emilie Lehmus (30 August 1841 – 17 October 1932) was a German physician.

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Erlangen

Erlangen (East Franconian: Erlang) is a Middle Franconian city in Bavaria, Germany.

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Germans

Germans (Deutsche) are a Germanic ethnic group native to Central Europe, who share a common German ancestry, culture and history.

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Gymnasium (school)

A gymnasium is a type of school with a strong emphasis on academic learning, and providing advanced secondary education in some parts of Europe comparable to British grammar schools, sixth form colleges and US preparatory high schools.

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Jacques Charles François Sturm

Jacques Charles François Sturm ForMemRS (29 September 1803 – 15 December 1855) was a French mathematician.

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Jakob Steiner

Jakob Steiner (18 March 1796 – 1 April 1863) was a Swiss mathematician who worked primarily in geometry.

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Jena

Jena is a German university city and the second largest city in Thuringia.

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Johann Adam Lehmus

Johann Adam Lehmus (January 2, 1707 in Rothenburg - February 13, 1788 in Rothenburg) was a German poet of numerous spiritual songs.

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List of schools of mines

A school of mines (or mining school) is a term used for many engineering schools established in the 18th and 19th centuries that originally focused on mining engineering and applied science.

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Malfatti circles

In geometry, the Malfatti circles are three circles inside a given triangle such that each circle is tangent to the other two and to two sides of the triangle.

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Mathematician

A mathematician is someone who uses an extensive knowledge of mathematics in his or her work, typically to solve mathematical problems.

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Order of the Red Eagle

The Order of the Red Eagle (Roter Adlerorden) was an order of chivalry of the Kingdom of Prussia.

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Privatdozent

Privatdozent (for men) or Privatdozentin (for women), abbreviated PD, P.D. or Priv.-Doz., is an academic title conferred at some European universities, especially in German-speaking countries, to someone who holds certain formal qualifications that denote an ability to teach (venia legendi) a designated subject at university level.

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Siegmund Guenther

Adam Wilhelm Siegmund Günther (6 February 1848 – 3 February 1923) was a German geographer, mathematician, historian of mathematics and natural scientist.

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Soest, Germany

Soest (as if it were 'Sohst'; Westphalian: Saust) is a city in North Rhine-Westphalia, Germany.

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Steiner–Lehmus theorem

The Steiner–Lehmus theorem, a theorem in elementary geometry, was formulated by C. L. Lehmus and subsequently proved by Jakob Steiner.

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References

[1] https://en.wikipedia.org/wiki/C._L._Lehmus

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