The Tarot: Its Occult Significance, Use in Fortune-Telling, and Method of Play, Etc.

Samuel Liddell (or Liddel) "MacGregor" Mathers, born as Samuel Liddell (January 8 or 11, 1854 - November 5 or 20, 1918), was one of the most influential figures in modern Occultism. He is primarily known as one of the founders of the Hermetic Order of the Golden Dawn, a ceremonial magic order whose offshoots still exist today.
The idea that cards were first "invented' to amuse Charles VI of France is now exploded; and it is worthy of note in this connection that their supposititious "inventor" was Jacques Gringonneur, an Astrologer and Qabalist. Furthermore, cards were known prior to this period among the Indians and the Chinese. Etteilla, indeed, gives in one of his tracts on the Tarot a representation of the mystical arrangement of these cards in the Temple of Ptah at Memphis, and he further "Upon a table or altar, at the height of the breast of the Egyptian Magus (or Hierophant), were on one side a book or assemblage of cards or plates of gold (the Tarot), and on the other a vase, etc.