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  It was invented in Italy but the inventor is unknown.
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  17th Century, Anthony van Leeuwenhoek, discovered that tissues had complex inner structures.
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  Humphrey Davy discovered properties of N2O or laughing gas. to help put people to sleep so they wouldnt feel the pain while going into surgery.
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  Wilhelm Roentgen, a german professor discovered electromagnetic radiation in wavelength.
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  Dr.Frederick Banting wanted to make a pancreatic extract to help with diabetes.
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  Discovered by Alexander Fleming, the first antibiotic
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  discovered by Daniel Bovet, first antihistamine.
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  Maurice Hilleman used samples on his daugther to create a vaccine for Measles.
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  Paul C Lauterbur and Peter Mansfield discovered magnetic resonance imaging.
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  Firsr Transplant by Robert Jarvik