These are just a few pictures of doctors, nurses and others working in the field of medicine or medical care to help not just those around them but ultimately all of us.
John Snow, Ai Fen and Li Wenliang, Florence Nightingale, Mary Slessor, Sister Agnes Valois, Irene Sendler, Ruth Pfau, Edith Cavell, Alice of Battenberg and Grand Duchess Elizabeth.
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