This timely biography uncovers the link between Hardy's worldly success as an empirical scientist and his lifelong preoccupation with religion. As a pupil of Julian Huxley, grandson of Darwin's greatest supporter, T.H. Huxley, he was a thoroughly orthodox adherent of the Darwinian account of evolution. At the same time his own religious experience led him to propose a ground-breaking resolution of the troubled relationship between the theory of evolution and religion.