9th Century
- Al-Kindi (Alkindus): refutation of the theory of the transmutation of metals
Read more about this topic: Timeline Of Scientific Discoveries
Famous quotes containing the word century:
“You know that the beginning is the most important part of any work, especially in the case of a young and tender thing; for that is the time at which the character is being framed.”
—Plato (5th century B.C.)