Stephen Hawking, author of "A Brief History of Time," died at 76. Stephen Hawking, an award-winning physicist and influential author, died early Wednesday morning, a family spokesman told ABC News ...

Stephen Hawking's Early Years . Santi Visalli/Getty. As a 21-year-old student at Camdridge University, Stephen Hawking was diagnosed with motor neuron disease and was given only two years to live.

At the age of 21, famed theoretical physicist Stephen Hawking was diagnosed with a fatal, motor neuron disease called amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease.

Stephen Hawking’s marriage captured in ‘The Theory of Everything ... When the two first met at Cambridge University in the early 1960s, Stephen was a charismatic, ... with two years to live.

Stephen Hawking, an award-winning physicist and influential author, died early Wednesday morning, a family spokesman told ABC News. He was 76.

Stephen Hawking, an award-winning physicist and influential author, died early Wednesday morning, a family spokesman told ABC News. He was 76. Hawking, whose books included "A Brief History of ...