About the Author

Steven Weinberg received the 1979 Nobel Prize for Physics for his work in unifying two of the fundamental forces of nature, and in 1991 he was awarded the National Medal of Science at the White House. His earlier price-winning book The First Three Minutes is the classic account of the "Big Bang," the modern theory of the origins of the universe. Among his other books are The Theory of Subatomic Particles and Gravitation and Cosmology: Principles and Applications of the General Theory of Relativity. Steven Weingberg is a member of the Royal Society of London as well as the U.S. National Academy of Sciences, and has been awarded numerous honorary degrees, most recently from Columbia University and the Universities of Salamanca and Padua.