Page 200 - Primary Five Science
P. 200
Louis Pasteur. Edward Jenner (1749 – Sir. William Harvey
1823).
A French scientist re- was an English scientist.
nowned for his discov- An English country doc- He was the first scientist
eries of the principles of tor who introduced the to discover that blood
vaccination, microbial immunization vaccine circulates around the
fermentation and pas- for smallpox. body
teurization. He discov-
ered that fermentation,
decay and various dis-
eases are caused by bac- Sir Ronald Ross
teria. He also discovered
that milk goes bad be- was a British medical
cause of germs. He de- doctor. He was the first
veloped the methods of to discover the cause of
immunizing against an- malaria
thrax and rabies.
