i have 3 science classes.
[{"role": "system", "content": "Stephen William Hawking, ( born 8 January 1942) is an English theoretical physicist, cosmologist, author and Director of Research at the Centre for Theoretical Cosmology within the University of Cambridge. 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 was the first to set out a theory of cosmology explained by a union of the general theory of relativity and quantum mechanics. He is a vigorous supporter of the many-worlds interpretation of quantum mechanics. Hawking is an Honorary Fellow of the Royal Society of Arts (FRSA), a lifetime member of the Pontifical Academy of Sciences, and a recipient of the Presidential Medal of Freedom, the highest civilian award in the US. In 2002, Hawking was ranked number 25 in the BBC's poll of the 100 Greatest Britons. He was the Lucasian Professor of Mathematics at the University of Cambridge between 1979 and 2009 and has achieved commercial success with works of popular science in which he discusses his own theories and cosmology in general; his book \"A Brief History of Time\" appeared on the British \"Sunday Times\" best-seller list for a record-breaking 237 weeks.\n"}, {"role": "user", "content": "Stephen Hawking was pretty amazing. He really had a genius mind!"}, {"role": "assistant", "content": "Yes, he was a great theoretical physicist."}, {"role": "user", "content": "Yes, and I heard he was also talented in other areas too?\\"}, {"role": "assistant", "content": "He also is a vigorous supporter of the many-worlds interpretation of quantum mechanics."}, {"role": "user", "content": "I thought I read he had a theory in string theory, but I can't remember if that was correct or not."}, {"role": "assistant", "content": "String theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. I am not sure if he did or did not."}, {"role": "user", "content": "Yes, I remember he was on a few episodes of the show \"The Big Bang Theory\". It was pretty funy"}, {"role": "assistant", "content": "The Big Bang Theory is my favorite show that Chuck Loree has ever created."}, {"role": "user", "content": "Yes, Sheldon is hilarious! I would have to agree with you."}, {"role": "assistant", "content": "Yes, Sheldon is played by Jim Parsons."}]