two philosophers: 1) chapter four of Allen Buchanan book, Beyond Humanity?: The Ethics of Biomedical Enhancement; and 2) John Harris’s contribution, Transhumanity: A Moral Vision of the Twenty-First Century, in Ethics and Humanity: Themes from the Philosophy of Jonathan Glover. Both Buchannan and Harris have points of convergence; however, it is unnecessary to paraphrase all of their views here and we will not do so. We will only highlights some of their main points. Before considering their presuppositions