Karl Adams (1811 in Merscheid – 14 November 1849, in

Winterthur , neighboring_municipalities = Brütten, Dinhard, Elsau, Hettlingen, Illnau-Effretikon, Kyburg, Lindau, Neftenbach, Oberembrach, Pfungen, Rickenbach, Schlatt, Seuzach, Wiesendangen, Zell , twintowns = Hall in Tirol (Austria ...

) was a Swiss mathematician and teacher who specialised in

synthetic geometry Synthetic geometry (sometimes referred to as axiomatic geometry or even pure geometry) is the study of geometry without the use of coordinates or formulae. It relies on the axiomatic method and the tools directly related to them, that is, compass ...

Publications

* ''Lehre von den Transversalen'', 1843 * ''Die harmonischen Verhältnisse'', 1845 * ''Die merkwürdigen Eigenschaften des geradlinigen Dreiecks'', 1846 *
Das Malfattische Problem
', 1846 and 1848, on the

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. They are named after Gian Francesco Malfatti, who made early studies of the problem o ...

* ''Geometrische Aufgaben mit besonderer Rücksicht auf geometrische ConstruCtion'', 1847 and 1849

Sources

* ''Allgemeine Deutsche Biographie'' – online version at

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19th-century Swiss mathematicians Swiss schoolteachers Swiss Calvinist and Reformed Christians 1811 births 1849 deaths 19th-century Swiss educators {{Europe-mathematician-stub