Keith Henson
Howard Keith Henson (born 1942) is an American electrical engineer and writer on space engineering, space law (Moon treaty), memetics, cryonics, evolutionary psychology and physical limitations of Transhumanism. In 1975, he and his then-wife Carolyn Meinel founded the L5 Society, which promoted space colonization and which was eventually folded into the National Space Society. More recently, Henson's outspoken criticism of the Church of Scientology and subsequent criminal proceedings have gained him headlines.