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William Harvey
In 1628 he described the circulation of blood. -
Anton Van Leeuwenhoek
In 1677 he first observed living bacteria -
Edward Jenner
In 1796 he used cowpox to immunize against smallpox. -
Charle Darwin
In the mid 1800’s he formed a theory to explain how evolution may take place. -
Florence Nightengale
In 1851 became a trained nurse. -
Thomas Malthus
Known for population growth and the effects of it. -
Louis Pasteur
In 1861 he invented sterilization. -
Gregor Mendel
In 1865 he proposed principles of how traits may be inherited through generations. -
Robert Koch
In 1876 he proved that Bacillus anthracis causes anthrax. -
Joseph Lister
1876 uses steril surgical techniques -
Clara Barton
In 1881 founded the red cross -
Karl Landsteiner
In 1901 he determined three of four blood types (A,B, and O) -
Paul Ehrlich
In 1910 he invented Salversan, which is a drug for syphilis -
Sir Alexander Fleming
In 1928 he discovered antibiotic effects of penicillium mold. -
Albert Sabin
Was an American medical researcher best known for having developed an oral polio vaccine. -
Bernard Fantus
In 1937 he formed the fist blood bank. -
Dr.Charles Drews
In 1939 he set up collection centers for blood to fill World War 2 needs. -
Howard Florey
In 1939 he isolated penicillin and created the first antibiotic drug. -
Carl Walter
In 1950 he introduced the plastic bag to collect blood. -
Jonas Salk
In 1955 he introduced an injectable polio vaccine.
