P. N. Singer, Ph.D. (1993) Cambridge University, is a Wellcome Research Fellow at Birkbeck, University of London. He has published major translations and commentaries on Galen (OUP and CUP), and articles on Graeco-Roman philosophy and medicine, especially on the psyche. C. Thumiger, Ph.D. (2004) KCL London, is a classicist and historian of ancient medicne. She is currently Wellcome Research Fellow at the University of Warwick, engaging with a project on the ancient disease phrenitis, has published variously on ancient medicine, history of mental disorders, and Greek tragedy as well as other areas of ancient cultural history. Contributors are: Marke Ahonen, Sean Coughlin, Julien Devinant, Ricarda Gäbel, Christopher Gill, Ricardo Julião, George Kazantzidis, Melinda Letts, Orly Lewis, Nadine Metzger, P. N. Singer, Chiara Thumiger, and Anna Maria Urso.