design-is-fine: Alexander von Humboldt, Three of the nine american diaries, 1799-1804.Sketch of th
design-is-fine: Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region. Sketch of the Rio Grande de la Magdalena. Topographic sketch of the volcano Pichincha. Drawings: Staatsbibliothek Berlin. Portrait by Friedrich Georg Weitsch, 1806. Alte Nationalgalerie Berlin. Via wiki Source: the art magazine Arsprototo, Kulturstiftung der Länder. You can download the Humboldt Special (German) here -- source link