Ann C. Hall is a Professor in the Department of Comparative Humanities at the University of Louisville, USA. She is the author of Phantom Variations: The Adaptations of Gaston Leroux's Phantom of the Opera, 1925 to the Present (2009) and A Kind of Alaska: Women in the Plays of Eugene O'Neill, Harold Pinter, and Sam Shepard (1993). She is currently the President of the International Harold Pinter Society and editor of The Harold Pinter Review.

Alan Nadel is William T. Bryan Chair in American Literature and Culture at the University of Kentucky, USA. He is the author of six books on post-WWII American literature, including: The Theatre of August Wilson (Methuen Drama, 2018), Demographic Angst: Cultural Narratives and American Films of the 1950s (2017), Containment Culture (1995), and Invisible Criticism: Ralph Ellison and the American Canon (1994). He has also edited of two volumes of essays on August Wilson, August Wilson: Completing the 20th-Century Cycle (2010) and May All Your Fences Have Gates (1994).