In 300 AD a Roman Greco-Egyptian alchemist named Zosimos of Panopolis wrote:
“The ancient and divine writings say that the angels became enamoured of women; and, descending, taught them all the works of nature. From them, therefore, is the first tradition, chema, concerning these arts; for they called this book chema and hence the science of chemistry takes its name.”
https://en.wikipedia.org/wiki/Zosimos_of_Panopolis
https://books.google.co.uk/books?id=bQF6Wz-u4yYC&pg=PA299&redir_esc=y#v=onepage&q&f=false
He seems to imply the Book of Enoch is the ancient divine writing from which we learn of this fallen angel origin of chemistry.
