Stephen Hawking used his fame to raise awareness of what people need to thrive when they're living with a disability. Credit: AFP/Getty Images When Stephen Hawking spoke, the world listened.

When he was 21, Stephen Hawking was diagnosed with motor ... book "A Brief History of Time." Here are a dozen quotes showing Hawking's approach to science and to life.

Written for a non-specialist audience, Hawking’s A Brief History of Time ... His determination is inspiring and he's long been a champion of disability rights and even loaned his voice to ...

"My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all." "I have noticed that even people who claim everything is predetermined and that we ...