Published An Anatomical Study of the Motion of the Heart and the Blood in Animals.
Sir Christopher Wren
Administered medications intravenously by means of an animal bladder attached to a sharpened quill. Wren also experimented with animal blood transfusions.
Anton van Leeuwenhoek
Refines the microscope and fashions nearly 500 models. He then discovers blood cells, and observes animal and plant tissues and microorganisms.
James Lind
A Scottish naval surgeon, discovers that cirtus fruit can prevent scurvy. He publishes A Treatise of the Scurvy in 1754, identifying the cure for this common and dangerous disease of sailors.
Edward Jenner
Created a vaccination for smallpox by making the body immune to the cowpox virus.
Sir Humphry Davy
Discovers the antesthetic properties of nitrous oxide, even though it would not be used for 45 years after the discovery in a dentists office.
Rene Laennec
He invented the stethoscope.
James Blundell
British obstetrician is the first to perfom a successful human blood transfusion.
Crawford W. Long
An Anerican surgeon uses ether as an general antesthetic during surgery.
