Can you tell me anything about Stephen Hawking?
Stephen Hawking was a seminal figure in the science world, very well-known. As an English theoretical physicist, cosmologist, and author/director of research at the Centre for Theoretical Cosmology at the University of Cambridge, his life was science. 
You said he was an author. Can you tell me which books he wrote?
The Grand Design (book)
The Grand Design is a popular-science book written by physicists Stephen Hawking and Leonard Mlodinow and published by Bantam Books in 2010. The book examines the history of scientific knowledge about the universe and explains 11 dimension M-theory. The authors of the book point out that a Unified Field Theory (a theory, based on an early model of the universe, proposed by Albert Einstein and other physicists) may not exist.
It argues that invoking God is not necessary to explain the
Stephen Hawking
Stephen William Hawking (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge at the time of his death. He was the Lucasian Professor of Mathematics at the University of Cambridge between 1979 and 2009.
His scientific works included a collaboration with Roger Penrose on gravitational singularity theorems in the framework of general relativity and the theoretical prediction that black holes emit radiation, often called Hawking radiation.