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Science Heroes of the 19th Century


Paul Ehrlich
Diphtheria and Tetanus
Edward Jenner
Vaccination
Robert Koch
Tuberculosis Bacterium
Joseph Lister
Antiseptic Technique
Louis Pasteur
Germ Theory
John Snow
Epidemiology
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Robert Koch

Koch was an ingenious innovator

Isolated the bacterium that causes tuberculosis

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Paul Ehrlich

Developed the commercial serum therapy against diphtheria

Ehrlich established exacting standards for measuring the content of antitoxins. This critical process allowed for the mass production of standardized serums against diphtheria and tetanus.

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Edward Jenner

Did earliest work on the smallpox vaccine

Jenner's early efforts proved that cowpox virus (vaccinia) could provide immunity to the smallpox virus. This discovery gave birth to the concept of vaccination.

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Joseph Lister

Lister ushered in the era of sterile surgical practices

Lister, the "Father of Modern Surgery," developed the antiseptic surgical technique, ushering in the era of sterile surgical practices.

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Louis Pasteur

Pasteur was responsible for several major scientific discoveries

Pasteur was a multi-faceted scientific genius who proved germ theory, and was the founder of vaccination, microbiology, and pasteurization.

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John Snow

developed the first method of mapping the spread of epidemics

Snow, widely known as the "Father of Epidemiology," developed the first method of mapping the spread of epidemics. He also was the first to calculate precise doses of anesthesia.

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