Stephen Hawking was born on January 8, 1942, in Oxford, England. At an early age,Hawking showed a passion for science and the sky.
At age 21, while studying cosmology at the University of Cambridge, he was diagnosed with amyotrophic lateral sclerosis. A Brief History of Time From the Big Bang to Black Hole-science book by British physicist Stephen Hawking. It became a bestseller and sold more than 10 million copies in 20 years.