-
William Harvey
He discovered the way blood circulated -
Anton Van Leeuwenhoek
first to observed living bacteria -
Edward Jenner
He injected a boy with cowpox then after a while he injected the boy with smallpox the boy got ill but got a full recovery a few days later. -
Thomas Malthus
talked about the population growth -
Charles Darwin
Developed modern theory of evolution -
Ignaz Semmelweis
Discovered if you wash your hands it will spare the mother from childbed fever -
Joseph Lister
became known as the "father of antiseptic" -
Gregor Mendel
came up with the laws of heredity -
Louis Pasteur
Discovered the process of pasteurization. -
Robert Koch
Found cures for rabies and chicken cholera -
Clara Barton
founded the American Red Cross -
Paul Ehrlich
found a way to stain bacteria before gram staining -
Florence Nightengale
Made hospitals more sanitary -
Sir Alexander Fleming
Discovered penicillin -
Gerhard Domagk
made the first commercial antibiotic -
Dr. Charles Drews
Help find a way to store blood in large quantities -
Howard Florey
Created the first antibiotic drug -
Ernst Chain
Isolate penicillin -
Jonas Salk
He found a cure for polio -
Albert Sabin
created a vaccine for polio