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460 BCE
Hippocrates
Many writings on exam & treatment of patients. Strict code to maintain patient privacy and to never harm patients and is responsible for the Hippocratic oath.He became known as the father of medicine. -
384 BCE
Aristotle
Aristotle identified the heart as the most important organ of the body. He argued that the expansion and contraction of the heart was a function of its role as an intelligent organ. -
340 BCE
Medical symbol Asclepius
Asclepius - Greek god of healing. Priest healers adopted the rod of Asclepius as their symbol. Modern adaptation is still a healthcare symbol. -
129 BCE
Galen
Physician to the gladiators. Doctrine to 4 bodily humors blood, phlegm, yellow & black bile. Documented spinal cord for movement of limbs. Performed tracheotomy to cure breathing difficulties. -
335
Herophilus
Studied the nervous system and created a book about it. -
541
Bubonic plague
Bubonic plague killed 10,000 people a day. Also called Black Death. A rare but serious bacterial infection that's transmitted by fleas. -
643
Chen ch’üan
Chinese physician describes symptoms of diabetes mellitus including thirst and sweet urine. He was able to tell if it was sweet by tasting it or smelling it. -
854
Rhazes
Documented the difference between smallpox and measles. Compiled by Persian philosopher Avicenna, also made the book of healing -
980
Avicenna
Created the book of healing. Avicenna has been called the Father of Modern Medicine. Also created the canon of Medicine. -
1088
First medical school
University of Bologna – School of Medicine and surgery: The charter for this university comes from Holy Roman Emperor Frederick I Barbarossa in 1158, but historians have traced its origins back to 1088. -
1500
Johannes gutenburg
Created the printing press. -
1506
Leonardo Da Vinci
His anatomical studies began in 1506 with his dissection of a 100-year-old man called it vitruvian man. -
1543
Andreas Vesalius
Created De Humani Corporis Fabrica. First accurate work on anatomy. Founder of modern human anatomy. -
Anton van Leeuwenhoek
Know for his work on the development and improvement of the microscope. Also for his subsequent contribution towards the study of microbiology. -
James Lind
James Lind publishes his Treatise of the Scurvy stating that citrus fruits prevent scurvy. -
Edward Jenner
Develops the process of vaccination for smallpox, the first vaccine for any disease -
René Laennec
Creater of the stethoscope while working at the Hôpital Necker, and pioneered its use in diagnosing various chest conditions -
James blundell
James blundell performs the first successful transfusion of human blood. -
Joseph lister
Insisted on clean instruments and hands between patients used carbolic acid. Also created the mouthwash listerine. -
Crawford W. Long
Crawford W. Long uses ether as a general anesthetic -
Wilhelm Conrad roentgen
He produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays. -
Karl Landsteiner
He introduces the system to classify blood into A, B, AB, and O groups. Blood transfusions became safer. -
Casimir Funk
The discovery of the vitamins was a major scientific achievement in our understanding of health and disease. In 1912, Casimir Funk originally coined the term "vitamine -
James B Herrick
He concluded that the slow, gradual narrowing of the coronary arteries could be a cause of angina. He's also credited with inventing the term “heart attack.” -
Earle Dickson
Invents the first band aid. -
Frederick Banting
discovered the hormone insulin in pancreatic extracts of dogs. On July 30, 1921, they injected the hormone into a diabetic dog and found that it effectively lowered the dog's blood glucose levels to normal. -
Henrietta Lacks: HeLa Cells
A HeLa cell splitting into two new cells. Also created the cell line known as HeLa, which is still used for medical research. -
Percy lavon Julian
Creator of steroids. He began work on synthesizing progesterone, estrogen, and testosterone from the plant sterols stigmasterol and sitosterol, -
Wilson Greatbatch
Wilson greatbatch, an electrical engineer who helped develop the first implantable pacemaker, a revolutionary device that since the 1960s has pumped life into millions of people. Cardiac pacemaker. -
Robert Koffler Jarvik
Creator of artificial heart. which required tubes leading from the patient to a small refrigerator-size compressor when it was implanted in Dr. Barney Clark at the University of Utah in December 1982