It’s the real person Hawking.

The famous physicist Hawking guest stars in the 21st episode of the fifth season of the popular American TV series "The Big Bang Theory".

Among them, Hawking's last line, "Oh my God, another fainting fan", has become an "explosive classic".

Stephen William Hawking (January 8, 1942 - March 14, 2018), ALS patient, famous British physicist and cosmologist. People with amyotrophic lateral sclerosis are paralyzed and unable to speak. Hawking's main research areas are cosmology and black holes. He proved the singularity theorem and the black hole area theorem of general relativity, proposed the black hole evaporation phenomenon and the boundaryless Hawking universe model, and unified the two basic theories of physics in the 20th century - Important steps were taken in the theory of relativity founded by Einstein and in quantum mechanics founded by Planck.

Hawking is one of the most outstanding physicists after Newton and Einstein, and is known as the "King of the Universe" by the world. In April 2017, Hawking said in an interview that he was more determined than before that humans should leave the earth before 2117.

On March 14, 2018, Stephen Hawking died at the age of 76. His ashes were placed in Westminster Abbey in London, next to Newton and Darwin.