Louis Pasteur Timeline
Timeline Description: Louis Pasteur was a famous chemist and biologist whose works led to the advancement of the life we know today. He created vaccines and medicines, as well as invented the pasteurization process for milk products. This is a timeline of his life.

Date Event
1822 Louis Pasteur is born

Louis was born in France to a poor family.
1847 Louis goes to college

Louis attended and graduated from Ecole Normal in France. He studied sciences.
1849 Louis gets married

Louis married Marie Laurent and they had five children.
1854 Louis' becomes a professor of science

Louis began his work as a professor, and one of his duties included finding scientific solutions to common problems in the area.
1855 Louis finds bacteria in the drink

Louis was assigned the job of figuring out why common drinks like beer and wine became sour. He discovered the bacteria growing in the drinks, and figured out that if you boiled the drinks and then cooled them, it killed the bacteria.
1856 Louis returns to Ecole Normal

Louis returned to his old school, but this time as a professor.
1864 He studies where the bacteria came from

Pasteur went on to study where the bacteria growing in food and drinks were coming from, and he finally figured out it came from the air or environment.
1864 The Germ Theory

Many people in the 1800's still believed that germs were not harmful to people. Louis proved that germs were the cause of illness.
1865 Louis saves the silkworms

After his success with the beverage industry, Louis was asked to work on the dying crops of local silk fields. He figured out the silkworms were ill, and introduced a way to fix the problem.
1868 Louis becomes ill

Louis suffered from a small stroke and it left him partially paralyzed, but he was still able to experiment.
1879 Louis discovers vaccinations

Louis accidentally exposed chickens to a small form of cholera, and when the chickens didn't become sick he wanted to know why. He figured out the small exposure had worked as a vaccine against the actual sickness, and the vaccine was born.
1885 A vaccine against rabies

After finding vaccines for smallpox, TB, and cholera, Louis worked toward a vaccine for rabies. He found it in 1885.
1888 The Pasteur Institute in Paris

Louis' fame spread around the world, and soon donations began pouring in for the founding of the Pasteur Institute in Paris.
1895 Louis is honored

Louis was given the Leeuwenhoek medal, the highest honor in microbiology.
1895 Louis Pasteur's death

Louis Pasteur died in 1895. His paralysis had worsened after his stroke in 1868. Louis's contributions to society have saved millions of lives, and his legacy lives on today.






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