Foundational Issues

Six renowned physicists describe a spectrum of outstanding issues in current theoretical physics, from foundations of quantum mechanics to particle physics to astrophysics and cosmology. Featured are: Nobel Laureate Roger Penrose (University of Oxford), Nima Arkani-Hamed (Institute for Advanced Study), Artur Ekert (University of Oxford & National University of Singapore), Scott Tremaine (Institute for Advanced Study), Nobel Laureate David Politzer (Caltech), Nobel Laureate Tony Leggett (University of Illinois Urbana-Champaign).