The Alexander von Humboldt Digital Library
Friedrich Heinrich Alexander,
Baron von Humboldt (1804)
“I have omitted to state … the extreme satisfaction I have received from Baron Humboldt’s communications.
The treasures of information which he possesses are inestimable …”
—Thomas Jefferson, letter, June 7, 1804
“I formerly admired Humboldt, I now almost adore him…”
—Charles Darwin, letter, 1832