Date of original photograph (1886) from http://timbreetdent.free.fr/sujets/pasteur.htm; Reproduction of an 1886 photo by Felix Nadar. Caption below image: He became the world's greatest benefactor by his discoveries in chemistry and biology. He revolutionized medicine and surgery, making all humanity his debtor.; Photomechanical print
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
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