Sean Carroll is a physicist and Homewood Professor of Natural Philosophy at Johns Hopkins University and fractal faculty at the Santa Fe Institute. His research focuses on fundamental physics and cosmology. He has been awarded prizes and fellowships by the National Science Foundation, NASA, the American Institute of Physics, the Royal Society of London, and many others.

Carroll received his Ph.D. from Harvard in 1993, and held positions at MIT, the Institute for Theoretical Physics at UC Santa Barbara, and the University of Chicago, before moving to Caltech in 2006. He has written a number of papers on dark matter, dark energy, and the origin of the universe. Recently, Sean Carroll has worked on the foundations of quantum mechanics, the arrow of time, and the emergence of complexity. He also has interests in the intersection of science and the arts, the philosophy of physics, and implications of metaphysical naturalism.

He is the author of The Particle at the End of the Universe, From Eternity to Here: The Quest for the Ultimate Theory of Time, and Spacetime and Geometry: An Introduction to General Relativity. He has written for Scientific American, Nature, Discover, and The New York Times, made lecture series for The Great Courses, and has been blogging since 2004. His recent book series, The Biggest Ideas in the Universe, covers the topics of quanta and fields as well as space, time, and motion.

He frequently consults for film and television, and has been featured on television shows such as The Colbert Report, PBS’s Nova, and Through the Wormhole with Morgan Freeman. He is also host of the weekly Mindscape podcast.