🔬 SCIENCE

Louis Pasteur's Life in Weeks

Founded the science of microbiology and proved that germs cause disease. His discoveries of vaccination, pasteurization, and fermentation saved countless lives.

1822–1895 French Chemist & Microbiologist 3,796 weeks (73 years)

Louis Pasteur's 3,796 Weeks

Each box represents one week. Lived weeks Key milestones

3,796
Total Weeks
26,572
Days Lived
5
Key Milestones
73
Years

Key Milestones

Age 26 · Week ~1,352

Made breakthrough discovery on molecular chirality

Age 35 · Week ~1,820

Demonstrated that fermentation is caused by microorganisms

Age 39 · Week ~2,028

Developed the pasteurization process

Age 58 · Week ~3,016

Successfully vaccinated sheep against anthrax

Age 62 · Week ~3,224

Developed and administered the first rabies vaccine to a human

Legacy

Developed vaccines for anthrax and rabies, and invented the pasteurization process. His germ theory of disease revolutionized medicine and public health.

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