Ida Husted Harper (February 18, 1851 – March 14, 1931) was an American author, journalist, columnist, and suffragist. She was the chosen biographer of Susan B. Anthony, with whom she also worked on the six-volume History of Woman Suffrage. Harper served as secretary of the Indiana chapter of the National Woman Suffrage Association, became a prominent figure in the women's suffrage movement in the U.S., and wrote columns on women's issues for numerous newspapers across the United States. She traveled extensively, delivered lectures in support of women’s rights, handled press relations for a women's suffrage amendment in California, headed the National American Woman Suffrage Association's national press bureau in New York City, and chaired the press committee of the International Council of Women.Photograph: Aimé Dupont Studio, restored by Adam Cuerden