Dufour Peak (on the right in the photograph) is the highest peak in Switzerland at 4,634 m. It was named after General Guillaume-Henri Dufour (1787–1875), who oversaw the compilation of the first topographical map of Switzerland between 1833 and 1865.
Le Nordend (à gauche) et la pointe Dufour (à droite), colour photograph, 2007, photographer: Jackph; image source: Wikimedia Commons, http://commons.wikimedia.org/wiki/File:MonteRosa004.jpg?uselang=de. Creative Commons Attribution ShareAlike 3.0 Germany.