Travis Bonifield (from left to right), Rob Weatherly, an Intel employee who provides IT support for Hawking, Sam Blackburn, graduate assistant for Hawking, and Stephen Hawking.
Dr. Stephen Hawking, a professor of mathematics at the University of Cambridge, delivers a speech entitled "Why we should go into space" during a lecture that is part of a series honoring NASA's 50th Anniversary, Monday, April 21, 2008, at George Washington University's Morton Auditorium in Washington. Photo Credit: (NASA/Paul E. Alers)