This monograph is about an exciting episode in the intellectual history of Europe: the vigorous debate among leading Polish historians on the sources of the economic development and non-development, including the origins of economic divisions within Europe. The work covers nearly fifty years of this debate between the publication of two pivotal works in 1947 and 1994. Anna Sosnowska provides an insightful interpretation of how local and generational experience shaped the notions of post-1945 Polish historians about Eastern European backwardness, and how their debate influenced Western...