"A growing number of science historians hold that alchemists—"chymists" is their preferred, less-loaded term—were serious scientists who kept careful lab notes and followed the scientific method as well as any modern researcher and are testing that hypothesis by recreating their experiments. If the alchemists saw what they claimed, these researchers say, then it's high time for an "alchemical revolution" to restore them to scientific respectability."
Interesting article, thanks. I have read much of Marcos's PhD thesis, although I was looking at it for the graphitic crucibles, not the mullite. Regarding Principe and the water of life, I suppose it shows how far behind the public face is, since he tried that years ago. I myself made it two years ago without even modern lab facilities.