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Polymath Alexander von Humboldt (1769–1859), a self-described 'scientific traveller', was one of the most respected scientists of his time. Humboldt's wanderlust led him across …
Polymath Alexander von Humboldt (1769–1859), a self-described 'scientific traveller', was one of the most respected scientists of his time. Humboldt's wanderlust led him across …