Wouter J. Hanegraaff is Professor of History of Hermetic Philosophy and Related Currents at the University of Amsterdam, the Netherlands, a member of the Royal Dutch Academy of Arts and Sciences, as well as past President and now honorary member of the European Society for the Study of Western Esotericism. Alongside numerous articles, he is the author of New Age Religion and Western Culture: Esotericism in the Mirror of Secular Thought (Leiden 1996/Albany 1998); Lodovico Lazzarelli (1447-1500): The Hermetic Writings and Related Documents (Tempe 2005; with Ruud M. Bouthoorn); Swedenborg, Oetinger, Kant: Three Perspectives on
the Secrets of Heaven (West Chester 2007); Esotericism and the Academy: Rejected Knowledge in Western Culture (Cambridge 2012); and Western Esotericism: A Guide for the Perplexed (London 2013). He has (co)edited eight collective volumes, including the 1200-page Dictionary of Gnosis and Western Esotericism (Leiden 2005) and Hidden Intercourse: Eros and Sexuality in the History of Western Esotericism (New York 2011; with Jeffrey J. Kripal). His most recent monograph Hermetic Spirituality and the Historical Imagination: Altered States of Knowledge in Late Antiquity is forthcoming with Cambridge University Press in 2022. His current projects are focused on the history of consciousness in German Idealism and Romanticism, and the role of the imagination in Western culture.