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Anton Van Leeuwenhoek invented the microscope.
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William Harvey described the circulation of blood and the pumping of the heart.
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Benjamin Franklin created the first pair of bifocal glasses.
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Edward Jenner developed a vaccine for smallpox.
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Edward Jenner created the vaccination for smallpox while trying to find the vaccination for cowpox.
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Rene Leaennec invented the stethoscope.
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The first practical anesthetic,ether, was introduced.
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He was the "Father of Microbiology" and discovered anthrax, tuberculosis, and cholera.
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Elizabeth Blackwell became the first woman to qualify as a doctor in the U.S. Inspired Florence Nightingale.
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Sigmunch Freud was the Father of Psychology.
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Florence Nightingale started the first nursing school during the Crimean War and is the "Mother of Nursing".
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Joseph Lister was the first doctor to use antiseptic during surgery to prevent inection.
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The germ theory was first introduced.
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Clara Barton founded the American Red Cross and she was called the "Angel of the Battlefield".
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Lois Pasteur invendted the rabies vaccine and discovered pasteurization. He also worked with Robert Koch.
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Wilhelm Roentgen discovered X-rays.
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Marie Curi isolated radium in 1910 but then died from radiation.
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Sir Alexander Fleming discovered penicillin.
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Jonas Salk developed the polio vaccine.
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Albert Sabin crated the oral polio vaccine.
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First known case of AIDS.
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The first birth control pill was introduced.
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Dorthea Dix became the Superintendent of Female Nurses of the Army.
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Christian Barnard performed the world's first heart transplant.
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Louise Brown was born on July 25th, 1975 in Great Britan and she was the first test tube baby to be born.
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AIDS got its name but it was kept quiet.
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Ronald Reagan annouced to the U.S.A. that the AIDS virus existed.
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Scientists cloned the first sheep.
