Professor Stephen Hawking onstage during the New Space Exploration Initiative 'Breakthrough Starshot' Announcement at One World Observatory on April...
{"Image ImageDescription": "NEW YORK, NEW YORK - APRIL 12:  Professor Stephen Hawking onstage during the New Space Exploration Initiative \"Breakthrough Starshot\" Announcement at One World Observatory on April 12, 2016 in New York City.  (Photo by Jemal Countess/Getty Images)", "Image Copyright": "2016 Getty Images"}