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Invents the microscope
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Discovered germs
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Developed a vaccine for smallpox
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Became the first woman to qualify as a doctor in the U.S.
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Discovered genetics
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Founded the American Red Cross
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Isolated radium
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Discovers vitamin D and its importance.
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Discovered penicillin
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Developed the polio vaccine
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Performed the world's first heart transplant surgery
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First test tube baby
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Aids was identified
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Dr. William DeVries implants the Jarvik-7 artificial heart into patient Barney Clark. Clark lives 112 days
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The first mammal clonned from an adult cell but dies in 2003
1996