Physicist
Leonard Susskind is an American theoretical physicist. His fields of research include quantum field theory, quantum statistical mechanics, and quantum cosmology. He is a member of the National Academy of Sciences and is widely considered to be one of the fathers of string theory. [1]
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In a review of Susskind's book The Cosmic Landscape: String Theory and the Illusion of Intelligent Design, Michael Duff writes that Susskind is "a card-carrying atheist." [2]