J.P. McEvoy received the Msc in physics from the University of Pennsylvania (USA) and the PhD from the University of London. As a research associate at the RCA Research Laboratories in Princeton and for the next 15 years, he worked in solid state physics as a research scientist in the USA, Switzerland and Britain. Of his previous books, the graphic guides Introducing Stephen Hawking, and Introducing Quantum Theory have been acclaimed worldwide and translated into a dozen languages. He also has written a popular book on the history of solar eclipses, called Eclipse, for Fourth Estate. Recently, he has been active in science journalism and broadcasting. In October 2006, he received the prestigious founder’s award given by the American School in London for Inspiring and Dedicated Service to Education. His new book for Constable and Robinson published in 2010, A Brief History of the Universe, continues his celebration of the creative individuals whose ideas has shaped humanity’s understanding of the physical world. He lives in London with his wife Patricia, a family therapist.