Stephen Hawking is a scientist.
His scientific works include a collaboration with Roger Penrose on gravitational singularity theorems in the framework of general relativity and the theoretical prediction that black holes emit radiation , often called Hawking radiation .	Hawking radiation	Hawking radiation	Roger Penrose	Roger Penrose	gravitational singularity theorems	PenroseHawking singularity theorems	general relativity	general relativity
