Stephen Hawking dead - World´s greatest minds pay tribute to physics genius who died aged 76
(World News UK)

SOME of the world's greatest minds have paid tribute to Professor Stephen Hawking who has died aged 76. Astronaut Chris Hadfield, astrophysicist Neil deGrasse Tyson and cosmologist Lawrence M. Krauss were among the names saying goodbye to the genius. EPA Canadian space explorer, Chris Hadfield , posted on Twitter: "Genius is so fine and rare. Goodbye Professor Hawking. You inspired and taught us all." American astrophysicist, author, and science communicator deGrasse Tyson said: "His passing has left an intellectual vacuum in his wake. "But it's not empty. Think of it as a kind of vacuum energy permeating the fabric of spacetime that defies measure....