STEPHEN HAWKING and his study of Black Holes.

Stephen Hawking (1942-2018) was considered as a great scientist of the 21st century .
He did research on black hole and many more things of the galaxy . he worked on the basic law which given the universe with Roger Penrose.
He showed that Einsteins general theory of relativity implied space and time would have a beginning in the big bang and end in the Black Hole .
Hawking's for the first time , used Quantum Mechanics in the general realistic realm and rigorously showed that Black Hole can Radiate and has Temperature.

After some years at the age of 21 professor Stephen Hawking were diagnosed of a motor neurological disease which made him paralyzed .
He was the give a wheel chair by the company Mahindra & Mahindra which accompanied of a voice synthesizer.
His contribution to the world is important .

His some of the famous Quotes :
1) life would be tragic if weren't funny .
2) My goal is simple , it is complete understanding of the universe, why it is as it is and why it exists at all.