Michael D. Leinbach was the last launch director in the space shuttle program at NASA's John F. Kennedy Space Center, responsible for overall shuttle launch countdown activities until the end of the program in 2011. In November 2004, Leinbach was awarded the prestigious 2004 Presidential Rank Award.
Jonathan H. Ward works to bring the thrill of the space program to life for the general public as a Solar System Ambassador for the Jet Propulsion Laboratory and as a frequent speaker on space exploration topics to interest groups and at regional conferences. He is the author of two previous books on space exploration.
Actress and director Cassandra Campbell has narrated nearly two hundred audiobooks and has received multiple Audie Awards and more than twenty AudioFile Earphones Awards, including for Orange Is the New Black by Piper Kerman.
Actor Danny Campbell spent six years with the Independent Shakespeare Company in Los Angeles and has appeared on the hit CBS program The Guardian and in the film Greater Than Gravity. He is also an AudioFile Earphones Award-winning audiobook narrator.