The Division of the Humanities and Social Sciences at the California Institute of Technology invites applications for a two-year Postdoctoral Instructor appointment in medieval history, with a particular interest in the history of law and legal practices, documentary culture, power, or violence, in the broader Mediterranean (including Islamic and Byzantine) and North Atlantic/Scandinavian worlds as well as in Europe, which will begin Fall 2024. The successful candidate will be expected to teach two (ten-week) undergraduate courses in the first year of appointment and three in the second year. The appointment is contingent upon completion of the Ph.D. In addition to undergraduate teaching, the successful candidate will be expected to conduct their own research and to participate regularly in the intellectual life of the Division. Candidates who have an interest in the research collections at The Huntington Library, Art Museum, and Botanical Gardens are especially encouraged to apply.