Jennifer M. Feltman is a specialist in the art and architecture of twelfth- and thirteenth-century Europe. She has published on the Last Judgment programs at the cathedrals of Chartres, Reims, and Lincoln and is editor and contributor to The North Transept of Reims Cathedral: Design, Construction, and Visual Programs (Routledge, 2016). She is Assistant Professor of Medieval Art and Architecture at The University of Alabama, USA.

Sarah Thompson is an art historian focusing on Gothic architecture. Her research has addressed the concept of Gothic as a stylistic category, and she has published on medieval architectural design process and on the functions of Gothic ruins. Her current book project, Picturing Gothic, analyzes the post-medieval visual representation of Gothic architecture. She is Associate Professor of Art History at the Rochester Institute of Technology, USA.