Karl’s research focuses on the relationship between text and image in the Middle Ages, focusing on the representation of architecture and material culture in a variety of media.
In 2013 he was awarded the Hawksmoor medal for architectural history, and has since worked at the History Faculty at Oxford, as well as the Centre for Medieval and Renaissance Studies at Oxford.
He is working on a monograph on the uses of architectural representations in twelfth-century didactic texts. He has a forthcoming article on medieval architectural drawings in Architectural History, and published work on Honorius Augustodunensis, as well as medievalism in the work of J.R.R. Tolkien.