Autor/-in: William H. Waller

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.