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  Alcmaeon of Croton distinguished veins from arteries
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  Discovered difference between measles and small pox.
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  Surgery is considered a profession.
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  Avicenna writesThe Book of Healing and The Canon of Medicine
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  Roger Bacon invents spectacles.
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  Healthcare for the sick.
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  Killed 30-60% or Europe's population.
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  Frenchwoman tries to practice medicine, but is denied.
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  Describes the use of qing hao for malaria fevers.
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  Made a huge break through by studying dogs showing that the heart pumps blood around the body and that the heart had two distinct beating halves.
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  Francis Bacon uses microscope to discover plague fleas.
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  James Lind publishes his Treatise of the Scurvy stating that citrus fruits prevent scurvy
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  Found out that if you catch cow pox then you are immune to small pox.
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  Claudius Aymand performs the first successful appendectomy
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  Aspirin was invented in the industrial revolution.
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  Penicillin was discovered.
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  used plants as new medical drugs.
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  Protein data bank of x-ray crystal structures established with 12 structures.
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  Research group discovered the cure of malaria
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  First gene therepy experiment for humans.