Translation of: Theorie des kommunikativen Handelns, Band 2: zur Kritik der funktionalistischen Vernunft.

Jürgen Habermas is a German philosopher and sociologist in the tradition of critical theory and pragmatism. He is perhaps best known for his theories on communicative rationality and the public sphere. In 2014, Prospect readers chose Habermas as one of their favourites among the "world's leading thinkers". Thomas McCarthy is the author of The Theory of Communicative Action: Lifeworld and Systems, a Critique of Functionalist Reason, Volume 2, published by Wiley.