Jürgen Habermas is a prominent German philosopher and sociologist, known for his work in the fields of critical theory and social theory. Born in 1929, he is associated with the Frankfurt School, a group of scholars who explored the relationship between society, culture, and politics. Habermas is particularly recognized for his ideas on the public sphere and communicative rationality, emphasizing the importance of dialogue in democratic societies. His influential book, The Structural Transformation of the Public Sphere, examines how public discourse shapes political legitimacy. Habermas argues that rational communication among citizens is essential for a healthy democracy, advocating for a society where individuals engage in open and reasoned debate.