Keith Henson
Howard Keith Henson (born 1942) is an American electrical engineer and writer. Henson writes on subjects including space engineering, space law (Moon treaty), memetics, cryonics, evolutionary psychology, and the physical limitations of Transhumanism. In 1975, Henson founded the L5 Society with his then-wife Carolyn Meinel to promote space colonization. In 1987 the L5 Society merged with the National Space Institute to form the National Space Society.