As an archaeologist investigating 19th century sites in Zanzibar and Tanzania, it was impossible for Sarah Croucher to ignore the thousands of shreds of locally-produced and imported ceramics unearthed every day of excavations. For archaeologists, these materials are vital to interpreting the social history of 19th century Islamic colonialism in East Africa. "Many key questions remain uninvestigated, particularly in regard to how newly shared Zanzibar identities emerged during the 19th Century, which intersected with gender, religion, class and sexuality," Croucher explains. Croucher, assistant professor of anthropology, assistant professor of archaeology, assistant professor of feminist, gender and sexuality studies, has been…