-
William Harvey
describes the circulation of blood -
Jean- Baptiste Denis
successfully transfuses blood from a lamb to a human -
Anton van Leeuwenhoek
first observes living bacteria -
Thomas Malthus
Known for population growth and the effects of it -
Edward Jenner
uses cowpox to immunize against smallpox -
Charle Darwin
he formed a theory to explain how evolution may take place -
Florence Nightengale
became a trained nurse -
Louis Pasteur
invents sterilization -
Robert Koch
proves Bacillus anthracis causes anthrax -
Joseph Lister
uses sterile surgical techniques -
Pasteur
treats rabies with vaccination -
Gregor Mendel
invention of better microscopes allowed biologists to discover the basic facts of cell division and sexual reproduction -
Karl Landsteiner
determined three of four blood types -
Paul Ehrlich
invents Salversan, a drug for syphilis -
Albert Sabin
developer of oral live virus polio vaccine -
Sir Alexander Fleming
discovers antibiotic effects of penicillin mold -
Dr.Charles Drews
set up collection centers for blood to fill World War II needs -
Howard Florey and Ernst Chain
isolated pencicillin and create first antibiotic drug -
Jonas Salk
an injectable polio vaccine is introduced
