Bruce Murray Space Image Library
Steven Squyres talk, National Portrait Gallery
Steven Squyres speaks at the National Portrait Gallery about his pioneering role in launching unmanned missions to Mars. Squyres is the principal investigator of NASA's Mars Exploration Rover (MER) mission, launched in 2003. A portrait of Squyres by Susan Gamble and Michael Wenyon was on view in NPG's “Americans Now” exhibition through 25 September 2011.