Louis FriedmanLouis Friedman holds a PhD in aeronautics and astronautics from MIT. He has worked on deep-space missions at the Jet Propulsion Laboratory (JPL) in Pasadena, California, and he cofounded The Planetary Society with Carl Sagan and Bruce Murray, servingas the organization's executive director for thirty years. He was coleader of the Keck Institute for Space Studies (KISS) Asteroid Retrieval Mission and Interstellar Medium Exploration Studies at Caltech. Read More Read Less