Mathematician:Ehrenfried Walther von Tschirnhaus

Mathematician
German mathematician more famous for inventing a brand of porcelain.

Worked on techniques in algebra, and also investigated catacaustic curves.

Published what he thought was a solution to the quintic equation in $1683$, but pointed out that it was fallacious.

Became a participant in the priority dispute between and  over the discovery (or invention) of calculus.

Nationality
German

History

 * Born: 10 April 1651, Kieslingswalde (near Görlitz), Electorate of Saxony (now Sławnikowice, Poland)
 * Died: 11 Oct 1708, Dresden, Germany

Theorems

 * Tschirnhaus Transformation

Publications

 * 1683: Acta Eruditorum (in which he introduces the Tschirnhaus Transformation)
 * 1686: Medicina Corporis
 * 1687: Medicina Mentis
 * 1695: Medicina mentis sive artis inveniendi praecepta generali (second edition of Medicina Corporis and Medicina Mentis)
 * 1700: Gründliche Anleitung zu nützlichen Wissenschaften

Also known as
Some sources give his surname as Tschirnhausen.