William H. Waller worked as a scientist at NASA's Goddard Space Flight Center and a research professor at Tufts University before becoming a high-school science teacher. He is the co-author, with Paul Hodge, of Galaxies and the Cosmic Frontier and author of The Milky Way: An Insider's Guide. He lives in Rockport, Massachusetts.
'The most informative and approachable introduction to astronomy of recent years. Bill Waller is a congenial guide on this grand tour to the farthest reaches of the universe.' -- Alan Hirshfeld, Professor of Physics, University of Massachusetts Dartmouth, and author of Starlight Detectives