Stephen Hawking gave a lot to the world and many will be saddened with his passing. He has certainly earned his rest.
Here's a (brief) list of just some of Hawking's most popular works:

• A Brief History of Time (1988)
• Black Holes and Baby Universes and Other Essays (1993)
• The Universe in a Nutshell (2001)
• On The Shoulders of Giants (2002)
• God Created the Integers: The Mathematical Breakthroughs That - Changed History (2005)
• The Dreams That Stuff Is Made of: The Most Astounding Papers of - Quantum Physics and How They Shook the Scientific World (2011)
• My Brief History (2013)