Olive Edis photographed many of the leading figures of the day but it is her record of women's war work that was a real landmark.
Hilda Leyel founded Culpeper's as well as changing the way we cook and raise money for charity. Her influence is widely-felt but her name is little-known.
Hilda Hewlett was the first woman in Britain to get her pilot's licence but it is for making planes as well as flying them that she should be known.
Lena Ashwell's belief in the power of theatre took her to the battlefields of France and the swimming pools of East London.