G. David Nordley is the pen name of Gerald David Nordley, an author and astronautical engineer with experience in spacecraft operations, engineering, and advanced propulsion. His main interest is human expansion into space in a plausible future. Gerald is a past Hugo and Nebula nominee and a four-time Analog "AnLab" winner. His latest story is a novelette, "Empress of Starlight," in Analog NoNov/Dec 2018. His latest book is a collection, A World Beneath the Stars, from Brief Candle Press (Portland, OR). He lives in Sunnyvale, CA. See: www.gdnordley.com.