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  earliest physician to use acupuncture
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  medical school opens
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  health care for the sick
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  tried to practice medicine but is denied
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  Use of scientific method begins
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  studies allowed
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  reflective microscope
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  decribe bacteria
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  Used microscope to discover plague fleas
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  Discovery of blood cells, bacteria, protozoa, and stethoscope
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  Discovered first vaccination
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  Pasteurization of milk
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  discovery of pathofens
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  Hit San Fransisco
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  discovers penicillin
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  organ transplants, x-rays, radium for cancer treatment, MRI, CAT scans
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  Salk discovers polio vaccine
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  Used to combat AIDS
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  Sterile maggot for infectious wound treatment
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  Rhazes discovered the difference between smallpox and measles