'The Fabric of the Cosmos' With his book, The Elegant Universe, physicist Brian Greene developed a reputation for explaining complex scientific theories with insight and clarity. The book was the basis for a PBS series. His new book is The Fabric of the Cosmos: Space, Time, and the Texture of Reality. Greene is a professor of physics and mathematics at Columbia University. He received his undergraduate degree from Harvard and his doctorate from Oxford, where he was a Rhodes scholar.