Helene Stähelin
Swiss mathematics teacher
Helene Stähelin was a Swiss mathematician, teacher, and peace activist.
Between 1948 and 1967, she was president of the Swiss section of the Women's International League for Peace and Freedom and its representative in the Swiss Peace Council. Wikipedia
Born: July 18, 1891, Wintersingen, Switzerland
Died: December 30, 1970 (age 79 years), Basel, Switzerland
Education: Universität Basel
Parents: Gustav Stähelin