
Marjolijn Bol, "The Varnish and the Glaze: Painting Splendor with Oil, 1100–1500" (U Chicago Press, 2023)
New Books in Medieval HistoryShow Notes
Panel painters in both the middle ages and the fifteenth century created works that evoke the luster of precious stones, the sheen of polished gold and silver, and the colorful radiance of stained glass. Yet their approaches to rendering these materials were markedly different. In The Varnish and the Glaze: Painting Splendor with Oil, 1100–1500 (U Chicago Press, 2023), Dr. Marjolijn Bol explores some of the reasons behind this radical transformation by telling the history of the two oil painting techniques used to depict everything that glistens and glows—varnish and glaze. For more than a century after his death, the fifteenth-century painter Jan van Eyck was widely credited with inventing varnish and oil paint, on account of his unique visual realism. Once this was revealed to be a myth, the verisimilitude of his work was attributed instead to a new translucent painting technique: the glaze. Today, most theories about how Van Eyck achieved this realism revolve around the idea that he was the first to discover or refine the glazing technique. Bol, however, argues that, rather than being a fifteenth-century refinement, varnishing and glazing began centuries before. Drawing from an extensive body of recipes, Dr. Bol pieces together how varnishes and glazes were first developed as part of the medieval art of material mimesis. Artisans embellished metalwork and wood with varnishes and glazes to imitate gold and gems; infused rock crystal with oil, resin, and colorants to imitate more precious minerals; and oiled parchment to transform it into the appearance of green glass. Likewise, medieval panel painters used varnishes and glazes to create the look of enamel, silk, and more. The explorations of materials and their optical properties by these artists stimulated natural philosophers to come up with theories about transparent and translucent materials produced by the earth. Natural historians, influenced by medieval artists’ understanding of refraction and reflection, developed theories about gems, their creation, and their optical qualities. This interview was conducted by Dr. Miranda Melcher whose book focuses on post-conflict military integration, understanding treaty negotiation and implementation in civil war contexts, with qualitative analysis of the Angolan and Mozambican civil wars. You can find Miranda’s interviews on New Books with Miranda Melcher, wherever you get your podcasts.
More from New Books in Medieval History
Katrin Kogman-Appel is a professor of Medieval Jewish history with research focusing on book culture, readers, and reading practices in medieval Europe and beyond. In The Kennicott Bible: A Masterpiece of Jewish Book Art (Bodleian Library, 2023) she discusses the text of the 24 canonized books of the Bible that is paired with David Kimchi's grammatical treatise “Sefer Miklol”. Katrin discussed the Kennecott Bible, a medieval Hebrew manuscript that contains unique illustrations and Masoretic text annotations. She explained that the manuscript draws inspiration from various sources including the Severa Bible and playing cards from the Rhineland and Netherlands, with some illustrations depicting animals in unusual positions and a political allegory involving hares, wolves, cats, and mice. Katrin described the Masoretic text as a lexical apparatus designed for precision in transmitting the canonical Hebrew text, and emphasized that the Bible served as a status symbol and public art piece for Jewish elites despite having no public art in synagogues.
Eleventh-century Europe was diverse and fast-changing. Historians have often debated this change through two sets of competing arguments, one about the shifting role of the Church and the Papacy, and the other about the rise of castellan lords and a proliferation in violence. Yet these arguments about 'Church Reform' and 'Feudal Revolution' only really apply to one part of Europe, the Latin West.
From their foundational era in 1097 to Saladin's conquest of Jerusalem almost a century later, the Crusader States transformed the Middle Eastern world. In an era shaped by many conflicts, this was not simply a war between Christianity and Islam, but an epic contest among multiple rival empires, dynasties, and cultures. Nicholas Morton's The Crusader Storm: A Global History of the Wars for the Middle East (Pegasus, 2026) unfolds through a kaleidoscope of perspectives: a Byzantine renegade, a crusader princess, a Turkish matriarch, a young Arab nobleman, a Syriac archbishop, Saladin's leading commander, and the vizier of Egypt. Between them, information, technologies, and ideas—as well as weapons—crossed borders at astonishing speed as their societies fought, allied, and traded. Their entangled fates reshaped not only the Middle East, but the medieval world itself. Drawing on sources from Arabic, Greek, Syriac, Armenian, Latin, and Hebrew traditions, Nicholas Morton's enthralling panorama transforms our understanding of the Crusades, revealing these wars not as a single clash of faiths, but as a dynamic era of war, commerce, innovation, and exchange that defined the course of history.
The practice of history in premodern Java was profoundly influenced by precarious conditions of textual production and preservation: fragile manuscripts perished in the tropical environment, archival records were scattered far afield, and historical memories faded over many generations. InThe Precarious Past in Premodern Java, Wayan Jarrah Sastrawan examines how Javanese societies between the fifth and fifteenth centuries CE responded with distinctive strategies to record and transmit knowledge of the past. Drawing on sources in Javanese, Sanskrit, Malay, and related languages from the Indonesian archipelago, Sastrawan provides a detailed account of diverse forms of history making in premodern Java, reconstructing a dynamic culture in which written and nonwritten modes of transmission coexisted and intersected. By situating these practices within broader discussions of global historiography, this book challenges modern assumptions about what counts as “history” and illuminates how societies have developed different ways of preserving and remembering the past. A free ebook version of this title is available through Luminos, University of California Press’s Open Access publishing program. Visit here to learn more. Dr Wayan Jarrah Sastrawan is a historian, lecturer and DECRA research fellow at the Australian National University, Canberra.
Han Hsien Liew’s fascinating and insightful new book, Preaching Pious Rulership in Medieval Islam: Ibn al-Jawzi’s Political Thought (Edinburgh UP, 2026) offers a new way of understanding the political thought of one of medieval Islam’s most influential preachers, Ibn al-Jawzi. Although Ibn al-Jawzi is often remembered primarily as a preacher, moralist, and religious scholar, Han Hsien challenges conventional accounts of medieval Islamic political thought by showing how piety, preaching, and emotional formation shaped his vision of political authority. Rather than focusing simply on the ruler’s ability to maintain order, Ibn al-Jawzi placed extraordinary emphasis on the ruler’s moral character and on cultivating emotions such as fear, humility, remorse, and compassion. Han Hsien argues that this vision of pious rulership emerged from what he calls “homiletic piety,” revealing how the moral and emotional world of hortatory preaching shaped ideas about what it meant to rule well. By placing Ibn al-Jawzi’s writings in their historical and political context—including his relationship with the Abbasid caliphate and his controversial intervention in debates over the cursing of Yazid—Han Hsien challenges simplistic distinctions between political “quietism” and “activism” and reveals a thinker deeply invested in influencing those who wielded political power. In our conversation, Han Hsien explains why he chose Ibn al-Jawzi as the subject of the book and what we can learn about medieval Islamic politics by taking preachers seriously as political thinkers. We discuss the concept of “homiletic piety” and Ibn al-Jawzi’s approach to exhorting rulers, including the rhetorical strategies he believed scholars could use to encourage rulers toward greater humility, kindness, and moral responsibility. We also explore Ibn al-Jawzi’s relationship with the Abbasid caliph al-Mustadi and what his writings reveal about the particular concerns of the ruler to whom they were addressed. Han Hsien discusses the complicated relationship between scholars and political power, including the historical debate over sharia and siyasa (or politics), and explains why Ibn al-Jawzi does not fit neatly into categories such as “quietist” or “activist.” We also talk about the significant role of emotions—including fear, remorse, humility, and compassion—in Ibn al-Jawzi’s understanding of political authority and consider whether he actually believed rulers could be transformed through preaching. Finally, we discuss Ibn al-Jawzi’s intervention in the debate over Yazid and what this reveals about his commitment to the idea of pious rulership. This book will be of tremendous interest to scholars and students of Islamic studies, medieval Islamic history, Islamic political thought, and the history of preaching, as well as anyone interested in the relationship between religion, morality, and political power. It will also appeal to readers interested in a different way of thinking about politics, one that takes seriously the power of preaching, persuasion, and moral and emotional formation to shape those who govern.