Dr. Howard A. Smith is a senior astrophysicist and senior level scientist at the Harvard-Smithsonian Center for Astrophysics and former chairman of the astronomy department of the National Air and Space Museum at the Smithsonian Institution in Washington, DC. He has also worked as an astrophysicist at the Naval Research Center's E.O. Hulbert Center for Space Research and as visiting scientist liaison at NASA. He holds two BS degrees from MIT and a PhD from the University of California at Berkeley. He lives in Newton, MA.