The Theory of Everything
Encyclopedia
The Theory of Everything: The Origin and Fate of the Universe is an unauthorized 2002 book of some collected works by Stephen Hawking
Stephen Hawking
Stephen William Hawking, CH, CBE, FRS, FRSA is an English theoretical physicist and cosmologist, whose scientific books and public appearances have made him an academic celebrity...

. It was assembled from seven lectures on audiotape by Hawking originally released in 1994 under the title, Stephen W. Hawking's Life Works: The Cambridge Lectures. The book's title is in reference to the theory of everything
Theory of everything
A theory of everything is a putative theory of theoretical physics that fully explains and links together all known physical phenomena, and predicts the outcome of any experiment that could be carried out in principle....

, a physicist
Physics
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

s' jargon term for a theory in physics
Physics
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...

 which unifies the four fundamental forces of nature: gravity, the strong force, the weak force, and the electromagnetic force
Electromagnetism
Electromagnetism is one of the four fundamental interactions in nature. The other three are the strong interaction, the weak interaction and gravitation...

.

Several years ago Stephen Hawking said that there was a fifty-fifty chance that an actual unification of the four fundamental forces – a Theory of Everything – would be achieved. Recently, however, he has become more pessimistic on this score.

Professor Hawking makes it clear that he has not endorsed this book. The text was written by him many years ago, but the material has already been published in books such as A Brief History of Time
A Brief History of Time
A Brief History of Time is a popular science book written by renown physicist Stephen Hawking and first published by the Bantam Dell Publishing Group in 1988. It became a best-seller and has sold more than 10 million copies...

. A complaint was made to the Federal Trade Commission of the United States in hope that the FTC would prevent its publication.
this book has been published by jaico publishers
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