Her teaching and research focuses on European art of the Middle Ages, with a special emphasis on illuminated manuscripts and medieval material culture. Her first book, Translating Truth: Ambitious Images and Religious Knowledge in Late Medieval France and England (Yale University Press, 2011), examined how paintings transformed ideas of spiritual excellence and expertise for elite lay men and women in the Gothic era. Her current book project, The Multiplication of the Species: Medieval Economies of Form, Accident and Substance, focuses on coins, wax seals and Eucharistic wafers as conceptually challenging objects made in multiples by mechanical means in the Middle Ages. Kumler, AB’96, received the Quantrell Award for undergraduate teaching last year.