Art of Memory.
Simonides. (Greek poet)

Castor and Pollux. (Helen's brothers from Greek Myth)

Ramon Llull.
Aka: Raymond Lull, Raymundus Lullus, Doctor Illuminatus.
Combinatory system.
He invented machines for system called combinatory wheels.

Giordano Bruno.
Bruno's memory systemwas influenced by Ramon Llull.
Memory wheels by Giordano Bruno based on Ramon Llull.

Giulio Camilo.
Memory Theater.

I Ching.
Oldest Chinese classic texts.
Based on Taoist principles.
Originated in scapulomancy.
Oracle bone, mostly ox scapula, six lines, etc...
Hexagrams.
all 64 and it's like a math though.
Each lines has a changing