Bertha Pappenheim, Austrian-German activist and author (d. 1936)
Bertha Pappenheim (27 February 1859 – 28 May 1936) was an Austrian-Jewish feminist, a social pioneer, and the founder of the Jewish Women's Association ('Jüdischer Frauenbund'). Under the pseudonym Anna O., she was also one of Josef Breuer's best-documented patients because of Sigmund Freud's writing on Breuer's case.