Robert Simson - Definition and Overview

Robert Simson (1687 - 1768) was a mathematician and professor of mathematics at the University of Glasgow from 1711 to 1761. His works include an edition of Euclid's Elements, five books on conic sections, and a reconstruction of lost works of Euclid and Apollonius.

The pedal line of a triangle is sometimes called the Simson Line after him.

External links

Simson's Line Theorem (http://agutie.homestead.com/files/simsontheorem1.html) by Antonio Gutierrez from "Geometry Step by Step from the Land of the Incas"
Angle between two Simson's Lines (http://agutie.homestead.com/files/simsonangletheorem1.html) by Antonio Gutierrez from "Geometry Step by Step from the Land of the Incas"

Example Usage of Robert
	RicReyes: Everybody kill Robert Pattisnon! http://megeekanos.com/wp-content/uploads/2009/12/real-vampires.jpg
	ArminRogl: STANDARD schlägt Robert Palfrader als Bundespräsidentschafts-Kandidaten vor: http://is.gd/5bYH5 - Die Idee hat doch was ... (via @ArminWolf)
	marcelafrezende: @manu_nara até minha mãe se rendeu, mas ela prefere o Robert, mas quando eu mostrei a foto pra ela ela ficou louca

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