Helge Kragh is emeritus professor at the Niels Bohr Institute, University of Copenhagen. His books include Masters of the Universe.
""Helge Kragh is the leading historian of scientific studies of the universe. He also possesses a rare ability to make complex ideas accessible and understandable. In Universe, we see him in sparkling form, presenting a lucid and engaging account of how people have envisioned the universe from ancient Greece to the twenty-first century. A reader could not ask for a better guide to this captivating story."" - Robert Smith, Professor of History, University of Alberta ""In this book Helge Kragh, one of the premier historians of cosmology, offers a lively account of our conceptions of the universe from Aristotle to the present. Written for a broad audience, it also addresses ultimate pressing mysteries like what came before the Big Bang; the ultimate fate of galaxies, black holes, and life; and whether we may live in a multiverse. Highly recommended for anyone interested in the changing conceptions of our place in the universe."" - Steven J. Dick, former NASA Chief Historian