Paul Halpern PhdPaul Halpern, PhD, is Professor of Physics at the University of the Sciences in Philadelphia. He is the 2002 recipient of a John Simon Guggenheim Memorial Foundation Fellowship, awarded for research that ultimately resulted in the book The reat Beyond: Higher Dimensions, Parallel Universes, and the Extraordinary Search for a Theory of Everything. He is also the author of Collider: The Search for the World's Smallest Particles and What's Science Ever Done for Us?: What The Simpsons Can Teach Us about Physics, Robots, Life, and the Universe. Read More Read Less