Hu Davis was a manager of Apollo spacecraft power and propulsion systems at NASA Johnson Space Center, and also managed assembly and checkout of four Lunar Modules (including LM-5, the Apollo 11 lunar landing vehicle). After Apollo, he served as JSC Future Programs manager. working on the Inertial Upper Stage and Shuttle C Heavy Lift vehicles. After Peter Glaser introduced him to the SPS, he was responsible for NASA’s involvement with the DOE in the CDEP and was a major contributor to that study. He remains a strong supporter, working on several concepts for economical launch to orbit that can make Space-Based Solar Power competitive with terrestrial sources of energy.