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It was created by Gabriel Fahrenheit.
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They were invented by Benjamin Franklin.
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He found this vaccination by putting the pus of cowpox into a child before he could get smallpox. The child never got smallpox.
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It was invented by Rene Laennec
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Ignas Semmelweiss instituted hand washing, originally for people delivering babies.
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Elizabeth Blackwell became the first women ever to get a medical degree.
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This was started by Florence Nightingale in the UK
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Started by Joseph Lister and started other safer techniques in surgery.
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It was founded by Clara Barton
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It was first used on an 8 year old child on July 6th, 1885. It was invented by Emile Roux and Louis Pasteur.
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William Roentgen discovered X-rays. The first one is of his wife's hand and you can see the ring on her hand.
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This was started by Sigmund Freud and is the basis of psychology and psychiatry.
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It was invented by Feliz Hoffmann, a chemist with the German company Bayer.
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This was discovered by Karl Landsteiner.
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It was discovered by Sir Alexander Fleming.
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Thomas Francis Jr. developed a killed-virus vaccine for influenza.
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It was developed by Jonas Salk.
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Created by Albert Sabin and was more effective than Salk's vaccine
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This term was first used by Jules Jacobson to describe surgery needing a microscope. Others did surgery with smaller incesions but he was the first to do one with a microscope.
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Christian Barnard performed the world's first sucessful heart transplant.
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It wasn't approved by the FDA until 1990 though.
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Her name is Louise Brown and she was born in Great Britain.
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Dolly the sheep was the first mammal to be cloned. (An identical copy of an original)