Dr. Paul Steinhardt, Albert Einstein Professor of Science at Princeton University, and the Director of the Princeton Center for Theoretical Science, is the guest speaker at the Physics Honor Society, Sigma Pi Sigma, induction and the Physics Department's 75th Anniversary Celebration. His talk is entitled "Big Bang or Big Bounce" - Contrasting two views of the origin and evolution of the universe, and how data from the Planck satellite and the Large Hadron Collider at CERN may help to resolve which is correct.