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Roland Betancourt is a Professor of Art History at the University of California, Irvine, and a leading scholar of Byzantine art, visual culture, and intellectual history. His work explores how Byzantine thinkers understood vision, imagination, and the sensory experience of sacred spaces, drawing on manuscripts, theological writings, and material culture. Betancourt is the author of Sight, Touch, and Imagination in Byzantium , a study that illuminates how Byzantine artists and

Seb Falk is a historian of medieval science and a Fellow of Girton College at the University of Cambridge, where he teaches the history of science, technology, and medicine. His research focuses on medieval astronomy, calculation, instrumentation, and the practical ways scholars engaged with the natural world. Falk is best known for his award-winning book The Light Ages , which challenges common misconceptions about the Middle Ages by revealing the sophistication and global c

Michael H. Shank is a Professor Emeritus of the History of Science at the University of Wisconsin–Madison and one of the leading scholars of medieval and early Renaissance scientific thought. His research focuses on late medieval natural philosophy, astronomy, and the intellectual culture of European universities, especially the Viennese tradition and figures such as Regiomontanus and Peuerbach. Shank’s work is known for its close analysis of manuscripts, scholastic reasoning

Harry Reese is a longtime faculty member at the University of California, Santa Barbara, where he has taught since 1978 and helped establish the College of Creative Studies’ Book Arts Program in 1985. His work centers on printmaking, papermaking, and book art, as well as the history and practice of printing and the material study of texts. Reese’s creative and scholarly projects explore the relationship between visual form, language, and the physical processes of making books

Elly Truitt is an Associate Professor of History at the University of Pennsylvania and a leading scholar of medieval science, technology, and cross-cultural knowledge exchange. She is best known for her influential book Medieval Robots: Mechanism, Magic, Nature, and Art , which traces the history of automata in the medieval world and explores the movement of technological knowledge across Islamic, Byzantine, and European cultures. Her research illuminates how medieval thinker

Amir Alexander  is a historian of mathematics and science at the University of California, Los Angeles, known for his work on the cultural and political forces that shape mathematical and scientific ideas. He is the author of several widely read books, including Infinitesimal , Proof!  and Geometrical Landscapes , which explore how concepts like rigor, calculation, and spatial thinking developed in dialogue with broader social and historical currents. His writing has been fea