Sean Carroll is a theoretical physicist at the California Institute of Technology. His research covers cosmology, field theory, dark energy, particle physics, and gravitation. He is the author of The Particle at the End of the Universe, an explanation of the search for the Higgs boson and the Large Hadron Collider, for which he won the Royal Society Winton Prize for Science Books in 2013. Carroll also wrote From Eternity to Here, which focuses on the flow of time and the origin of the universe. A regular blogger and public speaker, Carroll has appeared on “The Colbert Report” and “Through the Wormhole with Morgan Freeman.” He holds a PhD from Harvard and has worked at MIT; the Institute for Theoretical Physics at the University of California, Santa Barbara; and the University of Chicago.