Roger D. Launius >NASA's chief historian for more than 10 years, is vice-president of publications of the American Astronomical Society, editor of the magazine Space Times, and author of numerous books on aerospace history. He lives in Maryland.
Howard E. McCurdy is professor of public affairs at American University in Washington, D.C., and the author of three previous books on the U.S. space program. He lives in Maryland.
Ray Bradbury is the author of more than 30 books, including The Martian Chronicles and Fahrenheit 451. Recipient of a National Book Award for his lasting contribution to American literature, he lives in Los Angeles, California.