Hermes Mercurius Trismegistus, is the representation of the combination of the Greek god Hermes and the Egyptian god Thoth. In Hellenistic Egypt, the Greeks recognised the congruence of their God Hermes with the Egyptian god Thoth. Subsequently the two gods were worshipped as one in what had been the Temple of Thoth in Khemnu, which the Greeks called Hermopolis. Both Thoth and Hermes were gods of writing and of magic in their respective cultures. Thus, the Greek god of interpretive communication was combined with the Egyptian god of wisdom as a patron of astrology and alchemy. In addition, both gods were psychopomps; guiding souls to the afterlife. And there is also a connection with the Egyptian Priest and Polymath Imhotep. As a divine source of wisdom, Hermes Trismegistus was credited with tens of thousands of writings of high standing, reputed to be of immense antiquity. The Asclepius and the Corpus Hermeticum are the most important of the Hermetica, writings attributed to Hermes Trismegistus, which survive.