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Microscope Invented
Dutch lens grinder Zacharius Jannssen invents the microscope. -
Microscope is refined
Anton van Leeuwenhoek refines the microscope and fashions nearly 500 models. Discovers blood cells and observes animal and plant tissues and microorganisms. -
Stethoscope Invented
René Laënnec invents the stethoscope. -
First Successful Transfusion of Blood
British obstetrician James Blundell performs the first successful transfusion of human blood. -
First Woman to Recieve Medical Degree
Elizabeth Blackwell is the first woman to receive a medical degree (from Geneva Medical College in Geneva, New York). -
FIrst Vaccine for rabies
First vaccine for rabies -
Insulin first used to treat diabetes.
Insulin first used to treat diabetes. -
First Blood Bank Established
Bernard Fantus starts the first blood bank at Cook County Hospital in Chicago, using a 2% solution of sodium citrate to preserve the blood. Refrigerated blood lasts ten days. -
Dolly the Sheep Cloned
Dolly the sheep becomes the first mammal cloned from an adult cell (dies in 2003). -
Smallpox is identified
Persian physician Rhazes is the first to identify smallpox, as distinguished from measles, and to suggest blood as the cause of infectious disease.