Jonathan Petropoulos (born January 10, 1961) is an American historian who writes about National Socialism and, in particular, the fate of art looted during World War II. He is John V. Croul Professor of European History at Claremont McKenna College in Claremont, California.[1] Before his 1999 appointment to Claremont McKenna College, Petropoulos taught at Loyola College in Maryland.[2]