Garrett Lisi will be in Orange County next week to do the Carl Sagan ‘Cosmos’ episode ‘Encyclopaedia Galactica’ on May 9th and ‘The Geometric Theory of Everything’ on May 11th.

Antony Garrett Lisi (born January 24, 1968), known as Garrett Lisi, is an American theoretical physicist and adventure sports enthusiast. Lisi works as an independent researcher without an academic position. He is a strong proponent of balance in life, in his case between scientific research and enjoyment of the outdoors.

Lisi is known for “An Exceptionally Simple Theory of Everything,” a paper proposing a unified field theory based on the E8 Lie group, combining particle physics with Einstein’s theory of gravitation. The theory is incomplete and not widely accepted by the physics community.

For a complete description of the many sides and interests of Lisi, visit him at



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