Clara Immerwahr, German chemist (b. 1870)
Clara Helene Immerwahr (German pronunciation: [ˈklaːʁa heˈleːnə ˈʔɪmɐvaːɐ̯]; 21 June 1870 – 2 May 1915) was a German chemist. She was the first German woman to be awarded a doctorate in chemistry in Germany, and is credited with being a pacifist as well as a women's rights activist. From 1901 until her suicide in 1915, she was married to the Nobel Prize-winning chemist Fritz Haber.