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Birth of Galen, considered by many to be the most important contributor to medicine following Hippocrates.
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460 bce. the father of medicine
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Dutch lens grinder Zacharius Jannssen invents the microscope.
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Discovers citris fruits prevent scurvy.
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René Laënnec invents the stethoscope.
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British obstetrician James Blundell performs the first successful transfusion of human blood.
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Dr. Horace Wells, American dentist, uses nitrous oxide as an anesthetic.
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Elizabeth Blackwell is the first woman to receive a medical degree (from Geneva Medical College in Geneva, New York).
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First Rabies vaccine
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Emil von Behring discovers antitoxins and uses them to develop tetanus and diphtheria vaccines.
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German physicist Wilhelm Conrad Roentgen discovers X rays.
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First vaccine for typhoid fever
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Influenza epidemic begins
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Insulin first used to treat diabetes.
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First vaccine for tuberculosis
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Paul Zoll develops the first cardiac pacemaker to control irregular heartbeat.
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Jonas Salk develops the first polio.
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First Vaccine for measles
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Chicken Pox vaccine
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First test-tube baby is born in the U.K.
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Dolly the sheep becomes the first mammal cloned from an adult cell (dies in 2003).
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Scientists discover how to use human skin cells to create embryonic stem cells.
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First vaccine for influenza
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Persian physician Rhazes is the first to identify smallpox