Juliette Day is University Lecturer and Docent in Church History at the University of Helsinki and Senior Research Fellow in Christian History at Blackfriars Hall, University of Oxford.

Raimo Hakola, Th.D. (2003), is an Academy Research Fellow at the University of Helsinki, Faculty of Theology. His latest publication is Reconsidering Johannine Christianity: A Social Identity Approach.

Maijastina Kahlos, Ph.D. (1998), University of Helsinki, has published Debate and Dialogue: Christian and Pagan Cultures, c. 380-430 and Forbearance and Compulsion: Rhetoric of Tolerance and Intolerance in Late Antiquity.

Ulla Tervahauta is post-doctoral researcher in the Center of Excellence in Reason and Religious Recognition, at the University of Helsinki. Her publications include A Story of the Soul's Journey in the Nag Hammadi Library. A Study of Authentikos Logos (NHC VI,3).

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