Ülo Valk is Professor of Estonian and Comparative Folklore, University of Tartu. His publications include the monograph The Black Gentleman: Manifestations of the Devil in Estonian Folk Religion (2001), and Vernacular Religion in Everyday Life: Expressions of Belief (co-edited with Marion Bowman, 2012). His current research is focused on belief narratives, folklore in social context, and the history of folkloristics.