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Stephen William Hawking (1942-), Theoretical Physicist

Sitter in 10 portraits
Mathematician and theoretical physicist. Since 1979 Hawking has been Lucasian Professor of Mathematics at Cambridge University, a post famously held by Sir Isaac Newton. His early research on relativity led him to study the Big Bang, the creation of the universe and black holes. He has a progressive neuromotor disease , amyotrophic lateral sclerosis (ALS). He uses a wheelchair and speaks through an electronic voice synthesizer. Hawking continues to work and has produced several best-selling books including A Brief History of Time (1988), Black Holes and Baby Universes (1993) and The Universe in a Nutshell (2001). His life is the subject of a 2014 film, The Theory of Everything.