Travis S. Taylor, Ph.D. is the co-creator and star of the National Geographic Channel's hit series, Rocket City Rednecks and can be seen on the Weather Channel on 3 Scientists Walk into a Bar . Taylor is a physicist who has worked on various programs for the Department of Defense and NASA for the past twenty years. His expertise includes advanced propulsion concepts, very large space telescopes, space-based beamed energy systems, future combat technologies and next generation space launch concepts. Taylor is also the author of pulse-pounding, cutting edge science fiction with the Tau Ceti Agenda series including One Good Soldier, The Tau Ceti Agenda, One Day on Mars, and Trail of Evil, as well as his ground-breaking Warp Speed series, with entries Warp Speed and The Quantum Connection . Les Johnson is a NASA physicist and author.

By day, he serves as the Senior Technical Assistant for the Advanced Concepts Office at the NASA George C. Marshall Space Flight Center in Huntsville, Alabama. In the early 2000s, he was NASA's Manager for Interstellar Propulsion Research and later managed the In-Space Propulsion Technology Project. He was technical consultant for the movie Lost in Space and has appeared on the Discovery Channel series, Physics of the Impossible in the "How to Build a Starship" episode. He has also appeared in three episodes of the Science Channel series Exodus Earth . He is the author of novel Back to the Moon, coauthored with Travis S. Taylor, and the coeditor of the science/science fiction collection Going Interstellar.