Stephen Hawking: A brief history of 'his' time

<p>Legendary British theoretical physicist Stephen Hawking passed away early Wednesday at the age of 76. He died peacefully at his home in Cambridge, England. Hawking wrote so lucidly of the mysteries of space, time and black holes that his book, 'A Brief History of Time,' became an international best seller, making him one of science's biggest celebrities since Albert Einstein. Here are some lesser known facts about the cosmology 'star'.</p>