Dr Heather Hunter-Crawley has held research and teaching posts at the University of Bristol and Swansea University. She is an independent researcher specialising in the religious art of Roman and late antiquity, and the author of numerous articles on ancient Christianity, Roman religion, and the senses.

Dr Erica O'Brien teaches at the University of Bristol. She has also taught at the University of Wales Trinity Saint David and has held a Frances A. Yates Short-term Research Fellowship at the Warburg Institute. She is interested in the depiction of sensory experience in late medieval devotional portraits. Her current research is on two manuscripts that belonged to Margaret of York, the Duchess of Burgundy from 1468 to 1477.