RT @PhysicsNews: Stephen Hawking is 71 today. Happy Birthday, @Prof_S_Hawking!
Tweet 08/01/2013 07:03 PM
Posted by Bolton School on 08 Jan 2013
Modified by Bolton School on 16 Sep 2023
RT @PhysicsNews: Stephen Hawking is 71 today. Happy Birthday, @Prof_S_Hawking!