Sean M. Carroll is a theoretical physicist and cosmologist known for his work in areas such as cosmology, quantum mechanics, and the foundations of physics. He is a professor at the California Institute of Technology (Caltech) and has made significant contributions to our understanding of the universe, including the nature of time, the arrow of time, and the role of entropy.
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Sean's series The Biggest Ideas in the Universe has some merit, but it's just to math-light falling a bit below the missing link between basic and advanced.