Louisa Garrett Anderson, CBE was a medical pioneer, a member of the Women's Social and Political Union, a suffragette, and social reformer. She was the daughter of the founding medical pioneer Elizabeth Garrett Anderson, whose biography she wrote in 1939.
Anderson was the Chief Surgeon of the Women's Hospital Corps and a Fellow of the Royal Society of Medicine. Her aunt, Dame Millicent Fawcett, was a British suffragist. Her partner was fellow doctor and suffragette Flora Murray. Her cousin was Dr Mona Chalmers Watson who also supported suffragettes and founded the Women's Army Auxiliary Corps.