The Emerald Tablet is an ancient Egyptian work written by Hermes TrismegistusHermes TrismegistusHermes Trismegistus (from Ancient Greek: Ἑρμῆς ὁ Τρισμέγιστος, "Hermes the Thrice-Greatest"; Classical Latin: Mercurius ter Maximus) is a legendary Hellenistic figure that originated as a syncretic combination of the Greek god Hermes and the Egyptian god Thoth.https://en.wikipedia.org › wiki › Hermes_TrismegistusHermes Trismegistus - Wikipedia that is believed to represent a step-by-step instruction manual for the alchemical process of turning ordinary metals like lead into something much more valuable, like gold.