 In 1969, the Szondi Institute had been established in Zurich to preserve his writings, papers, and legacy.One of the basic notions of the fate-analysis’ concept is the ancestral (family) unconscious.Despite the fact that Leopold Sondi does not look into “memory”, “memory problems” notions in his works, according to modern research in the field of human memory, the ancestral unconscious, which differs from other types of unconscious in its content and purpose, determines the structure of human memory.