For the next seven years (1908–1915) she taught at the University of Erlangen's Mathematical Institute without pay, occasionally substituting for her father when he was too ill to lecture.
次の7年間 (1908–15) 彼女は University of Erlangen's Mathematical Institute で無給で、ときには父の体調が悪く講義できないときに代わりとして、教えた。