Iris Shun-Ru Chang was an American journalist, author of historical books and political activist. She is best known for her best-selling 1997 account of the Nanking Massacre, The Rape of Nanking, and in 2003, The Chinese in America: A Narrative History. Chang is the subject of the 2007 biography Finding Iris Chang, and the 2007 documentary film Iris Chang: The Rape of Nanking starring Olivia Cheng as Iris Chang. The independent 2007 documentary film Nanking was based on her work and dedicated to her memory.