JOHN MATTHEWS is a world renown expert on the Grail and the Arthurian legends. His numerous books include The Arthurian Tarot, The Green Man Tree Oracle, Winter Solstice, and The Grail: A Secret History. He lives in England.
GIOVANNI CASELLI is a well known illustrator noted for his work regarding the classical world and its literature, art, symbolism and myths. His previous tarot work can be seen on the Sharman-Caselli deck in the Beginner's Guide to Tarot. He lives in Italy.