This is a small obituary devoted to the memory of Massimo Rosati, who passed away in January 2014. The text offers an overview of Rosati’s research projects — f. e. the concept of post-secularity and post-Kemalist Turkey as a «postsecular society in the making» — as well as his institutional activities — f. e. Center for the Study and Documentation of Religion and Political Institutions in Post-Secular Societies at University of Rome Tor Vergata (Italy).