Home Hawking taking in a zero-gravity flight in a reduced-gravity aircraft, Hawking taking in a zero-gravity flight in a reduced-gravity aircraft,

Hawking taking in a zero-gravity flight in a reduced-gravity aircraft,

Hawking taking a zero-gravity flight in a reduced-gravity aircraft, April 2007

President Barack Obama talks with Stephen Hawking President Barack Obama talks with Stephen Hawking

View of the University of Oxford in Britain.