[Alexander von Humboldt was the] greatest scientific traveller who ever lived.
![[Alexander von Humboldt was the] greatest scientific traveller who ever lived.](http://cdn.quoteddaily.com/images/charles-darwin/alexander-von-humboldt-was-the-greatest-scientific-traveller-who-ever-lived.jpg)
[Alexander von Humboldt was the] greatest scientific traveller who ever lived.