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invented byRoger Bacon
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Done by Leonardo da Vinci
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Invented by Zacharius Jannssen
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Described by Willaim Harvey
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Anton van Leeuwenhoek discovers blood cells
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Lasted from April 19th 1175- October of 1781
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Developed by Edward Jenner
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The Marine Health Service was established as the nation's first public health agency
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Today that area comprises some 15 states, including all of Oklahoma, Nebraska, Iowa, Arkansas, Kansas and Missouri. Jefferson
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Invented by Rene Laennec
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Preformed by James Blundell
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Elizabeth Blackwell was the first female doctor
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First done by Joesph Lister
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The brutal war between the northern and souther united states 1861-1865
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Killed by John Wilkes Booth
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Founded by Clara Barton
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Robert Koch identified the tubercle bacillus as the cause of tuberculosis
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First contact lenses developed
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Emil von Behring developed the Teatnus Vaccine
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Emil von Behring discovered the diphtheria vaccine
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Wilhelm Röntgen discovered how to x-ray in 1895
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Develpoed by Felix Hoffman
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Discovered by Karl Landsteiner
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Isolated by Marie Curie
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Began July 28th 1914 Ended November 11th 1918
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Discovered by Sir Alexander Fleming by accident
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Discovered by Karl Landsteiner
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Started September 1st 1939 -1945
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Discovered by Jonas Stalk, first announced to the public on April 12th 1955
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Dr. Walton Lillehei and Dr. John Lewis preformed the first attempt at open heart surgery
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November 1st 1955- 1975
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Occured in Dallas Texas
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Some time in decemeber of 1967 Dr. Christiaan Barnard preformed the first heart transplant
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The usa sets foot on the moon for the first time
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Louise Brown was the first "test tube" ever born.
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HIV, the virus that causes AIDS, is identified
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A sheep cloned by Professor Ian Wilmut of the Edinburgh-based Roslin Institute
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Planes crashed into the twin towers and the pentagon
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Persian physician Rhazes identifies smallpox