This book provides a critical introduction to the life and work of Jürgen Habermas, one of the most influential German philosophers of the 20th century. It examines his major works, including The Theory of Communicative Action, The Structural Transformation of the Public Sphere
From Wikipedia
Jürgen Habermas was a German philosopher and social theorist in the tradition of critical theory and pragmatism. His work addressed communicative rationality and the public sphere. He held professorships at Heidelberg University and Goethe University Frankfurt and directed the Max Planck Institute in Starnberg.