Jennifer Ratner-Rosenhagen is the Merle Curti and Vilas-Borghesi Distinguished Achievement Professor of History at the University of Wisconsin-Madison. She is the author of The Ideas That Made America: A Brief History (Oxford, 2019), American Nietzsche: A History of an Icon and His Ideas (Chicago, 2012), and is currently writing a book on the intellectual and cultural history of wisdom in the United States.