Joseph Koerner is the Victor S. Thomas Professor of the History of Art and Architecture at Harvard University. Born in Pittsburgh and raised there and in Vienna, Koerner studied at Yale, Cambridge, Heidelberg, and University of California-Berkeley. While at Harvard, he has curated numerous art exhibitions at the Harvard Art Museums and elsewhere. Koerner is a member of the American Academy of Arts and Sciences and the American Philosophical Society. An expert on German art, Koerner has written books on Caspar David Friedrich, Albrecht Dürer, the Reformation, and self-portraiture in German art.