Chemist · 1822 – 1895

Louis Pasteur

Established the germ theory of disease, developed pasteurization, created vaccines for anthrax and rabies, and disproved spontaneous generation, founding modern microbiology and immunology.

Greatest Achievements

  • Founded modern microbiology and the germ theory of disease.
  • Saved the French wine, beer, and silk industries through applied science.
  • Developed vaccines that began the science of immunology.

Major Accomplishments

  • Founded modern microbiology and the germ theory of disease.
  • Saved the French wine, beer, and silk industries through applied science.
  • Developed vaccines that began the science of immunology.

Discoveries

  • Molecular asymmetry (chirality) in tartaric acid crystals (1848).
  • The microbial cause of fermentation and food spoilage.
  • Attenuated microbes as the basis of vaccination.

Scientific Breakthroughs

  • Established the germ theory of disease.
  • Developed the process of pasteurization.
  • Created the first laboratory-made vaccines for anthrax and rabies.

Major Works

  • Études sur le vin
  • Études sur la maladie des vers à soie
  • Mémoire sur la fermentation

Impact Analysis

Pasteur's germ theory transformed medicine, surgery, and public health, while pasteurization and vaccination remain in worldwide use, saving countless lives.

Historical influence score: 90/100