At the start of the twentieth century, American biologist Nettie Maria Stevens played a crucial part in identifying the chromosomes that determine sex, but her scientific contributions have been largely ignored by history. When mathematician Emmy Noether was put forward for a faculty position at the University of Göttingen during the First World War, one professor complained, “What will our soldiers think when they return to the university and find that they are required to learn at the feet of a woman?” Noether lectured unofficially for the next four years under a male colleague’s name and
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