Prophet of Decline: Spengler on World History and PoliticsOswald 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,