One can discard Luhmann’s contributions as flawed (e.g., Padgett & Powell, 2012, pp. 55-58) or discuss the limitations of the theory from a sociological perspective (e.g., Giddens, 1984, at p. xxxvi f.; Leydesdorff, 2010), but in my opinion, important steps were made by Luhmann in sociological theorizing when compared with his predecessors such as Parsons and Habermas, but also when compared with more empirically oriented contemporaries such as Merton and Giddens. These new developments were made possible by an interdisciplinary orientation in which Luhmann absorbed into his sociology, on the one side, Maturana’s theory of autopoiesis (self-organization) and, on the other, Husserl’s philosophy, and then provided a sociological reconstructio...