Life would be tragic if it weren’t funny.
The world-renowned British theoretical physicist and author turns 75 today. Considered by many one of the greatest minds of our time, Hawking is known for his groundbreaking work on the basic laws governing the universe including theories on the Big Bang and black holes. His landmark 1988 book, A Brief History of Time, brought physics and the universe to a wide audience, selling millions of copies worldwide. The retired Cambridge professor is also the author of The Grand Design, The Universe in a Nutshell, Black Holes and Baby Universes as well as many others titles.