Alexander von Humboldt (1769-1859), a Prussian geographer, naturalist and explorer. His quantitative work on botanical geography laid the foundation for the field of biogeography. Between 1799 and 1804, Humboldt travelled extensively in Latin America, exploring and describing it for the first time in a manner generally considered to be a modern scientific point of view. His description of the journey was written up and published in an enormous set of volumes over 21 years.

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Alexander von Humboldt, Prussian Naturalist

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