| Ouroboros and Alexander von Humboldt
From: Olaf Breidbach (2006) "Visions of Nature: The Art and Science of Ernst Haeckel". Prestel, Munich, Berlin, London, New York, page 52.
Alexander von Humboldt thought an approach to science was needed that could account for the harmony of nature among the diversity of the physical world.
For Humboldt, "the unity of nature" meant that it was the interrelation of all physical sciences—such as the conjoining between biology, meteorology and geology—that determined where specific plants grew.
He found these relationships by unravelling myriad, painstakingly collected data