The legacy of Alexander von Humboldt (1769-1859) looms large over the natural sciences. His 1799-1804 research expedition to Central and South America with botanist Aim Bonpland set the course for the great scientific surveys of the nineteenth century, and inspired such essayists and artists as Emerson, Goethe, Thoreau, Poe, and Church.
The chronicles of the expedition were published in Paris after Humboldt's return, and first among them was...