Kevin Schindler is a native of Ohio but has lived in Flagstaff for more than twenty years, working for most of that time at Lowell Observatory. He graduated from Marietta College in 1987, majoring in geology and with a strong focus on paleontology. He currently serves as Lowell Observatory's historian after two decades of leading the observatory's education and outreach efforts. Schindler is an active member of the Flagstaff history and science communities. This is his fifth book. Dr. Will Grundy is a planetary scientist who studies icy planets, Kuiper belt objects and giant planet satellites. He is an editor for Icarus, the leading international scientific journal for Solar System studies, and heads the Surface Composition science theme team for NASA's New Horizons mission to Pluto and the Kuiper belt.

Dr. Grundy mostly grew up in Cleveland Heights, Ohio. His undergraduate degree was in physics from Yale University, and his PhD in planetary sciences came from the University of Arizona.