Sean Carroll is a Research Professor of theoretical physics at the California Institute of Technology and External Professor at the Santa Fe Institute. He received his Ph.D. in 1993 from Harvard University. His research focuses on fundamental physics and cosmology, quantum gravity and spacetime, philosophy of science, and the evolution of entropy and complexity. His most recent book is Something Deeply Hidden: Quantum Worlds and the Emergence of Spacetime. Other books include The Big Picture; The Particle at the End of the Universe; From Eternity to Here; and the textbook Spacetime and Geometry. He has been awarded prizes and fellowships by the National Science Foundation, NASA, the Sloan Foundation, the Packard Foundation, the American Physical Society, the American Institute of Physics, the American Association for the Advancement of Science (AAAS), the Freedom From Religion Foundation, the Royal Society of London, and the Guggenheim Foundation. He is the host of the weekly Mindscape podcast.