On Tuesday, May 7, 2024, at the SASA Institute of Ethnography, Pavel Horak, PhD, from the Ethnological Institute of the Czech Academy of Sciences gave a lecture titled "Orthodoxy and Otherness: Investigating Doctrinal Dynamics in the Relationships between Christianity and Contemporary Paganism." Horak, PhD, provided a comparative overview of the doctrinal aspects of modern or contemporary paganism as the fastest-growing alternative religious movement in Europe. Based on his field research in several European countries, Horak's analysis focused particularly on the influence of Christianity on the formulation and articulation of concepts and doctrines in modern paganism. Pavel Horak, PhD, is a researcher in the Department of Critical Heritage Studies at the Ethnological Institute of the Czech Academy of Sciences in Prague. He is also a research associate in the Department of Religious Studies at the University of Vienna, holding a Maria Curie Fellowship. He completed his postdoctoral studies at Ghent University (2018) and the University of Amsterdam (2019).