Oswald Spengler (1880--1936) is best known for The Decline of the West, in which he propounded his pathbreaking philosophy of world history and penetrating diagnosis of the crisis of modernity. This monumental work launched a seminal attack on the idea of progress and supplanted the outmoded Eurocentric understanding of history. His provocative pessimism seems to be confirmed in retrospect by the twentieth-century horrors of economic depression, totalitarianism, genocide, the dawn of the nuclear age, and the emerging global environmental crisis.

In Prophet of Decline, John Farrenkopf...