Important Medical Discoveries in the History

Discovery	Made by	Country	Year
Antibiotic (Penicillin)	Alexander Fleming	Scotland	1928
Antiseptic	Joseph Lister	Scotland	1867
Aspirin	Dr Felix Hoffmann	Germany	1899
Blood Circulation	William Harvey	Britain	1628
Blood Group	K. Landsteiner	Austria	1902
Blood Transfusion	Jean –Baptiste Denys	France	1625
Cholera and TB Germs	Robert Koch	Germany	1883
Diphtheria Germs	Klebs and Loffler	Germany	1883
Electro cardiogram (ECG)	William Einthoven	Dutch	1903
Heart –Lung machine	John Heynsham Gibbon	US	1953
Hypodermic Syringe	Alexander wood	Britain	1853
Heart Transplant	Chirstian Barnard	South Africa	1967
Kidney Machine	W .J Kolf	The Netherlands	1944
Malaria Germs	A . Laveran	France	1880
Organ Transplant	John P. Merril	USA	1953
Scan (CAT)	Godfrey Housfield	England	1973
Sphygomomanometer	Scipione Riva – Rocci	Italy	1896
Stethoscope	Rene Laennec	France	1819
Thermometer(Clinical)	Sir Thomas Allbutt	England	1867
Ultrasound	Lan Donald	Ireland	1950
X-ray	W. Roentgen	Germany	1895