Sophia Rosenfeld is an American historian specializing in European intellectual and cultural history, with a focus on the Enlightenment, the trans-Atlantic Age of Revolutions, and the lasting influence of the eighteenth century on modern democracy. Born on November 29, 1966, she has written extensively on the history of ideas, political thought, and the relationship between knowledge and democracy. In 2017, she was appointed the Walter H. Annenberg Professor of History at the University of Pennsylvania. Her scholarship is widely recognized for its interdisciplinary approach, contributing to discussions on political discourse, truth, and democratic ideals in historical and contemporary contexts.