A Brief History of Time

"What carne first, the chicken or the egg? Is there a beginning to the universe and if so, what was there before it? Where does the universe came from and what will become of it?" These questions posed by prof. Stephen Hawking introduce Errol Morris' documentary about this world famous physicist. The film illustrate; the theories which most fascinate Hawking: the creation of the cosmos, real and imaginary time, black holes and the question of all questions -why does the universe exist?