Rosa Ricci Summary of the PHD Dissertation: Religious Nonconformity and cultural Dynamics: The Case of the Dutch Collegiants There is ample reason to engage in research around the Collegiants, a minority religious movement in the Netherlands of the 17th century. An exploration of this topic can be interesting not only for a contribution to the history of Religion but also to understand the development of some central concept in the early modernity. Prominent, in this research, is the question that initially stirred my personal interest in the Collegiantism; i.e. to define and understand the religious and cultural background that represents the practical field of confrontation of Baruch Spinoza''s philosophy. This historiographical question had the purpose of highlighting the relationship between Spinoza and the religious movements of his time in order to fully understand the public to whom he addressed his texts. Collegiants, however, constitute an interesting field of research not only for the study of Spinoza, but widely to understand the cultural and social dynamic of the Dutch Golden Age, a backdrop against which emerged a new idea of religion. This dissertation is not exploring a curiosity or an inconsistent exception in the history of the 17th century, but rather the centrality of a group that was influenced by and largely influenced its Dutch social, political and religious context. One of the major problems in capturing the significance of the Collegiants arises from the difficulty in defining this movement, which chose never to formulate a confession of faith and consciously refused to be classified within a specific Church, sect, or congregation. The name, Collegiants, was not the consequence of an active choice but a label that arose, together with that of Rijnsburgers, in the polemic pamphlets of the epoch. The difficulties to define such elusive religious group make, however, the Collegiants a fascinating field of research. In this dissertation the Collegaints are termed a “movement” in order to ...