-
William Harvey
he described the circulation of blood. -
Anton Van Leeuwenhoek
he first observed living bacteria. -
Thomas Malthus
known for population growth and the effects of it. -
Edward Jenner
he used cowpox to immunize against smallpox. -
Charles Darwin
he formed a theory to explain how evolution may take place. -
Florence Nightingale
became a trained nurse. -
Louis Pasteur
he invented sterilization. -
Gregor Mendel
he proposed principles of how traits may be inherited through generations. -
Robert Koch
he proved that Bacillus anthracis causes anthrax. -
Joseph Lister
uses steril surgical techniques. -
Clara Barton
founded the red cross. -
Karl Landsteiner
he determined three of four blood types (A,B,and O) -
Paul Ehrlich
he invented Salversan, which is a drug for syphilis. -
Sir Alexander Fleming
he discovered antibiotic effects of penicillium mold. -
Bernard Fantus
he formed the fist blood bank. -
Dr. Charles Drew
he set up collection centers for blood to fill World War 2 needs. -
Howard Florey
he isolated penicillin and created the first antibiotic drug. -
Carl Walter
he introduced the plastic bag to collect blood. -
Jonas Salk
he introduced an injectable polio vaccine.
