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John Hunter
- Scotland
- Founded Surgery, Pathology, amputations were a last resort
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Humphry Davy
- England
- He came up with Laughing gas
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Rene Laennec
- France
- Invented the stethoscope
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James Simpson
- Scotland
- He found out what chloroform could do
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Florence Nightingale
- Florence
- She started having better things to eat for soldiers and cleaner places.
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Louis Pasteur
- France
- He studied the prevention of food spoilage, and to the control of disease. He also studied fermentation in wine and beer and rapidly concluded that microorganisms were responsible. microbes in milk could be killed by heating to about 130 degrees Fahrenheit. He discovered that some microorganisms require oxygen, while others reproduce in the absence of oxygen.
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Joseph Lister
- England
- He studied how broken bones heal
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Robert Koch
- Germany
- He discovered the Tuberculosis Disease and how to help fight the disease and many other diseases.
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Wilhelm Roentgen
- Germany
- He discovered x-rays
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Edward Jenner
- England
- Smallpox vaccination
