During a career stretching nearly half a century, Wyndham Lewis was acknowledged as one of the masters of literary modernism by such contemporaries as Ezra Pound, T.S. Eliot, and W.B. Yeats. But because his early work was often written in an experimental style, and the major work of his later years was a theological fantasy, he remains among the least known writers of his generation. An apparent anti-humanist strain in Lewis's outlook has also worked...