Ferdinand Joachimsthal

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Ferdinand J. Joachimsthal was a German mathematician.

He was born on March 9, 1818, at Goldberg (now Złotoryja), Silesia and died on April 5, 1861, at Breslau. In the year of his graduation (Ph.D., Berlin, 1842) he was appointed teacher at a Realschule in Berlin, and in 1846 was admitted to the philosophical faculty of the university as privatdozent. In 1856 he was appointed professor of mathematics at Halle, and in 1858 at Breslau.

Joachimsthal, who was Jewish, contributed essays to Crelle's Journal, 1846, 1850, 1854, 1861, and to Torquem's Nouvelles Annales des Mathématiques.

He is known for Joachimsthal's Equation [1] and Joachimsthal Notation [2], both associated with conic sections.

[edit] References

• This article incorporates text from the 1901–1906 Jewish Encyclopedia, a publication now in the public domain.