David Grinspoon is principal scientist in the Department of Space Studies at the South-west Research Institute, and adjunct professor of Astrophysical and Planetary Sciences at the University of Colorado. His previous book, Venus Revealed, was a Los Angeles Times Book Prize finalist. An adviser for NASA on space exploration strategy, he lectures widely and has appeared on numerous television and radio programs. His writing has appeared in Astronomy, Nature, Science, Scientific American, Natural History, and The Sciences. He maintains the Funky Science Web site at www.funkyscience.net.
Dr. Alan Stern is Principal Investigator of the New Horizons mission. A planetary scientist, space program executive, aerospace consultant, and author, he has participated in 29 NASA space missions and has been involved at the highest levels in most aspects of American space exploration. He lives in Colorado.