Stephen Hawking was one of the world's most famous scientists. His ground-breaking research into black holes and the Big Bang has helped to explain the beginnings of our universe and his book A Brief History of Time has sold over 10 million copies. Diagnosed with a form of motor neuron disease when he was a young man, Stephen was inspired to achieve his goals as fast as possible. Through incredible determination and skill, he became a legendary scientist, a best-selling author, and the man that changed the way we think about the universe.