Augustin Pyramus de Candolle
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Augustin Pyramus de Candolle was a Swiss botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple of years de Candolle had establ
Portrait by Joseph Hornung, 1839
de Candolle family home in Geneva
Horace Bénédict de Saussure
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Horace Bénédict de Saussure was a Genevan geologist, meteorologist, physicist, mountaineer and Alpine explorer, often called the founder of alpinism and modern meteorology, and considered to be the fi
Portrait of Horace Bénédict de Saussure (after the picture by Juel, in the Library at Geneva)
Christian von Mechel, Descent from Mont-Blanc in 1787 by H.B. de Saussure, copper engraving; collection of Teylers Museum, Haarlem
Cyanometer, Musée d'histoire des sciences de la Ville de Genève
Anemometer: a metal plate catches the wind and weight keep it still; their mass measure the strength of the wind,MHS Geneva)