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William Harvey described the circulation of blood to and from the heart
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Gabriel Fahrenheit created the first mercury thermometer
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Edward Jenner developed a vaccine for smallpox
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Rene Laennec invents the stethoscope
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Gregory Mendel established the patterns of heredity
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Dr. Horace Wells, American dentist, uses nitrous oxide as an anesthetic
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Louis Pasteur began pasteurizing milk to kill bacteria
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Florence Nightengale became the founder of modern nursing
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Joseph Lister began using disinfectants and antiseptics during surgery
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First vaccination for cholera
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Clara Barton founded the American Red Cross
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Robert Koch developed the culture plate method to identify pathogens
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William Roentgen discovered X-rays
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first vaccination for plague
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Marie Curie isolated radium
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Egyptians were the earliest people known to maintain an accurate health record
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Insulin first used to treat diabetes
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Sir Alexander Fleming discovered penicillin
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Jonas Salk developed the polio vaccine
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Dr. Joseph E. Murray performs the first kidney transplant between identical twins
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South African heart surgean Dr. Christiaan Barnard performs the first human heart transplant
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First vaccination for rubella
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First test-tube baby is born
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HIV, the virus that causes AIDS is identified