This course of lectures provides a historical and systematic introduction to the most important sociological theories from the beginning of sociology up to the Second World War: Theory of Community and Society (Ferdinand Tönnies); „Faits sociales“ (Emile Durkheim); The Forms of “Vergesellschaftung” (Georg Simmel); Theory of Social Action (Max Weber); Structure of Social Action (Talcott Parsons).

This course of lectures provides a historical and systematic introduction to the most important sociological theories in the period from the Second World War to the present day: Theory of Social Systems (Talcott Parsons); Theory of Life-World (Alfred Schütz); Sociology of Knowledge (Karl Mannheim); Ethnomethodology; Symbolic Interactionism; Systems Theory (Niklas Luhmann); Critical Theory.