The book is an attempt to delineate the controversies over the conception of Christian philosophy, as practiced in Poland in the period of 1950–1989. The forum for the exchange of ideas – waged by the advocates of classical philosophy, championing the Aristotelian and Thomistic tradition, and the propagators of contemporary philosophy – was provided by widely available religious magazines: Tygodnik Powszechny, Znak, Życie i Myśl, Więź. Due to its journalistic tenor, the controversy proved a disappointment for philosophers; it has, however, turned out to be a significant phenomenon in the post-war intellectual history of Polish Catholicism. The author presents it within a theoretical and functional framework in an investigation carried out at the intersection of history of philosophy, intellectual history, and historical sociology.