-
300
Theophrastus
classifies 500 plants -
William Harvey
first to write in detail about systemic circulation -
Anton van Leeuwenhoek
first observes living bacteria -
Thomas Malthus
wrote a book about populations and the factors effecting demographics -
Edward Jenner
used cowpox to immunixe against smallpox -
Howard Florey & Ernst Chain
– isolate penicillin and create the first antibiotic drug -
Charles Darwin
proposed Natural Selection -
Florence Nightingale
laid the foundation of professional nursing -
Louis Pasteur
invents sterilisation -
Robert Koch
proves Bacillus anthracis causes anthrax -
Joseph Lister
uses sterile surgical techniques -
Clara Barton
established the Red Cross -
Karl Landsteiner
determined 3 of the 4 blood types (A,B, and O) -
Paul Ehrlich
envents Salversan, a drug for syphilis -
Sir Alexander Fleming
discovered penicillin -
Dr.Charles Drew
First to separate blood plasma -
Jonas Salk
an injectible polio vaccine is introduced -
Albert Sabin
developed an oral polio vaccine -
Gregor Mendel
father of modern genetics -
Carl Woese
named the 6th kingdom and 3 domains
